# ictus
## English
### Etymology

From Latin ictus (“a blow”), from īco (“I hit, strike, or smite”; “I stab or sting”).

### Pronunciation
#### singular

* (UK) enPR: ĭkʹtəs, IPA: /ˈɪktəs/

#### plural

* (UK) enPR: ĭkʹto͞os, IPA: /ˈɪktuːs/

### Noun

ictus (plural ictus or ictuses or ictusses)
* The pulse.
* (medicine) A sudden attack, blow, stroke, or seizure, as in a sunstroke, the sting of an insect, pulsation of an artery, etc.
* (prosody) The stress of voice laid upon an accented syllable of a word. Compare arsis.
* (music) In conducting, the indication of a musical event, most often the beat of the tempo or the entry of a section of the orchestra.

#### Usage notes

* Rarely, the Latinate plural ictūs is found.

#### Derived terms

* ictogenic

### Anagrams

* cutis, ustic

## Catalan
### Etymology

Learned borrowing from Latin ictus.

### Pronunciation

* IPA: (Central, Balearic, Valencia) [ˈik.tus]

### Noun

ictus m (plural ictusos)
* (medicine, music) ictus

### Further reading

* “ictus” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

## Italian
### Pronunciation

* IPA: /ˈik.tus/
* Rhymes: -iktus
* Hyphenation: ìc‧tus

### Noun

ictus m (invariable)
* (pathology) ictus, stroke
    Synonyms: infarto cerebrale, (familiar) colpo

## Latin
### Pronunciation

* (Classical Latin) IPA: /ˈik.tus/, [ˈɪkt̪ʊs̠]
* (modern Italianate Ecclesiastical) IPA: /ˈik.tus/, [ˈikt̪us]

### Etymology 1

From ī̆cō (“to strike”) +‎ -tus (suffix forming action nouns from verbs).

#### Noun

ictus m (genitive ictūs); fourth declension
* a blow, stroke, stab, thrust, bite, sting
    Synonyms: vulnus, colaphus, pulsus, plāga
** c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico VII.25:Ictu scorpionisBy a blow of a scorpion
** a striking, playing on the lyre
** the stroke of a wing
** a stroke of lightning, lightning
    Synonyms: fulmen, tonitrus
* (prosody, music) a beating time, a beat
* a beat of the pulse
* an attack, shot
    Synonyms: impetus, incursio, aggressio, impressiō, invasio, appetītus, assultus, occursio, oppugnātiō, incursus, concursus, vīs, petītiō, procella

##### Declension

Fourth-declension noun.

##### Descendants

* Galician: eito, → ictus
* Portuguese: eito, → icto
* → English: ictus, ictal
* →? Old Irish: icht (“deed”)
** Middle Irish: icht

### Etymology 2

Perfect passive participle of ī̆cō.

#### Participle

ictus (feminine icta, neuter ictum); first/second-declension participle
* hit, struck, blown
* stabbed, stung

##### Declension

First/second-declension adjective.

### References

* “ictus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “ictus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "ictus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* ictus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co. struck by lightning: fulmine ictus

### Anagrams

* cutis

## Romanian
### Etymology

Borrowed from Latin ictus or French ictus.

### Noun

ictus n (plural ictusuri)
* (medicine) ictus
* (prosody) ictus
* (music) ictus

#### Declension
## Spanish
### Pronunciation

* IPA: /ˈiɡtus/ [ˈiɣ̞.t̪us]
* Rhymes: -iɡtus
* Syllabification: ic‧tus

### Noun

ictus m (plural ictus)
* (medicine) stroke, ictus
    Synonym: derrame

### Further reading

* “ictus”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10