# sech
## Translingual
### Pronunciation

* English:
** IPA: /sɛtʃ/, /ˈʃɛk/

### Symbol

sech
* (mathematics) The hyperbolic function hyperbolic secant.

#### Usage notes

The symbol sech is prescribed by the ISO 80000-2:2019 standard. The symbol sch is also in use, and is especially favoured in French- and Russian-language texts.

#### See also

* csch
* coth
* arcsech

## English
### Determiner

sech
* (Southern US) Pronunciation spelling of such.

### Anagrams

* Ches., Esch, hESC

## Luxembourgish
### Pronunciation

* IPA: /zeχ/, [zəɕ]

### Pronoun

sech
* third-person masculine singular, reflexive: himself
* third-person feminine singular, reflexive: herself
* third-person neuter singular, reflexive: itself
* third-person plural, reflexive: themselves

#### Declension

| | | nominative | nominative | accusative | accusative | dative | dative | reflexive | reflexive |
| | | str. | unstr. | str. | unstr. | str. | unstr. | reflexive | reflexive |
| 1st person singular | 1st person singular | ech | — | mech | — | mir | mer | like dat. and acc. |
| 2nd person singular (informal) | 2nd person singular (informal) | du | de | dech | — | dir | der | like dat. and acc. |
| 2nd person singular (formal) | 2nd person singular (formal) | Dir | Der | Iech | Iech [əɕ] | Iech | Iech [əɕ] | Iech |
| 3rd person singular | m | hien | en | hien | en | him | em | sech |
| 3rd person singular | f | si | se | si | se | hir | er | sech |
| 3rd person singular | n | hatt | et ('t) | hatt | et ('t) | him | em | sech |
| 1st person plural | 1st person plural | mir | mer | eis (ons) | — | eis (ons) | — | eis (ons) |
| 2nd person plural | 2nd person plural | dir | der | iech | iech [əɕ] | iech | iech [əɕ] | iech |
| 3rd person plural | 3rd person plural | si | se | si | se | hinnen | en | sech |

## Old Irish
### Etymology

Probably from Proto-Celtic *sekʷos (“besides, without”) (compare Welsh heb (“without”)), from Proto-Indo-European *sekʷ-o-s (“following”) (compare Latin secus (“along”) and Sanskrit सचा (sácā, “without”)), from *sekʷ- (“to follow”). Alternatively, from *sek- (“to cut”).

### Pronunciation

* IPA: /sʲex/

### Preposition

sech (with accusative)
* past, beyond
** c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 120$^b$2
    .i. air ní derb linnai etarcnae inna lloc sech-a·rethami.e. for the knowledge of places past which we run is not certain to us.
* in preference to, rather than, instead of
** c. 800, Würzburg Glosses on the Pauline Epistles, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 499–712, Wb. 23$^b$13
    .i. ceit leu precept domsa seccui.e. they are jealous that I preach rather than they.
* different from
** c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 73$^d$7
    Ná eiplet húan bás coitchen húa n‑epil cách, acht foircniter húa sain-bás sech cách.Let them not die by the common death by which everyone dies, but let them be ended by a special death different from everyone.
* beyond, above, more than
** c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 51$^c$12
    tria degmaini dom·beir do doinib 7 do iudeib sech [c]achthrough His benefits which He confers on men, and on the Jews above all.

#### Inflection

| Person | Normal |
| 1st person sing. | sechum |
| 2d person sing. | sechut |
| 3d sing. masc./neut., dative | |
| 3d sing. masc./neut., accusative | sech(a)e, sechæ |
| 3d sing. fem., dative | |
| 3d sing. fem., accusative | secce |
| 1st person pl. | sechund |
| 2d person pl. | |
| 3d person pl., dative | |
| 3d person pl., accusative | seccu |
Forms combined with the definite article:
* sechin (“different from the m sg or f sg”)
* secha (“different from the n sg”)
* sechna (“different from the pl”)
Forms combined with a possessive determiner:
* sechmo (“different from my”)
Forms combined with the relative pronoun:
* secha

#### Descendants

* Irish: seach
* Manx: shagh
* Scottish Gaelic: seach

### Conjunction

sech
* yet, although

#### Derived terms

* sech is

### References

* ↑ Matasović, Ranko (2009) Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 328

### Further reading

* Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “1 sech”, in eDIL: Electronic Dictionary of the Irish Language
* Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “2 sech”, in eDIL: Electronic Dictionary of the Irish Language
* Thurneysen, Rudolf (1940, reprinted 2017) D. A. Binchy and Osborn Bergin, transl., A Grammar of Old Irish, Dublin Institute for Advanced Studies, →ISBN, §§ 434, 853, pages 273, 530

## Romansch
### Alternative forms

* sitg, setg (Rumantsch Grischun, Surmiran)
* schetg, sec (Sursilvan)
* sétg (Sutsilvan)

### Etymology

From Latin siccus.

### Adjective

sech m (feminine singular secha, masculine plural sechs, feminine plural sechas)
* (Puter, Vallader) dry

## Welsh
### Adjective

sech (not mutable)
* feminine singular of sych

### Verb

sech (not mutable)
* Contraction of basech.