# troisc
## Irish
### Alternative forms

* troisg (obsolete)

### Etymology 1
#### Alternative forms

* trosc

#### Pronunciation

* (Ulster) IPA: /t̪ˠɾˠɔsˠk/ (corresponding to the form trosc)

#### Verb

troisc (present analytic troisceann, future analytic troiscfidh, verbal noun troscadh, past participle troiscthe)
* to fast (abstain from food)
* to abstain [with ar ‘from’] (a food, tobacco etc.)

##### Usage notes

The finite forms of this verb are very rarely used. Instead, the collocations bí i do throscadh (literally “to be in one's fasting”) and déan troscadh (literally “to do a fast”) are used.

##### Conjugation

| | | singular | singular | singular | plural | plural | plural | relative | autonomous |
| | | first | second | third | first | second | third | relative | autonomous |
| indicative | present | troiscim | troisceann tú; troiscir$^†$ | troisceann sé, sí | troiscimid | troisceann sibh | troisceann siad; troiscid$^†$ | a throisceann; a throisceas / a dtroisceann* | troisctear |
| indicative | past | throisc mé; throisceas | throisc tú; throiscis | throisc sé, sí | throisceamar; throisc muid | throisc sibh; throisceabhair | throisc siad; throisceadar | a throisc / ar throisc* | troisceadh |
| indicative | past habitual | throiscinn / dtroiscinn‡‡ | throiscteá / dtroiscteá‡‡ | throisceadh sé, sí / dtroisceadh sé, sí‡‡ | throiscimis; throisceadh muid / dtroiscimis‡‡; dtroisceadh muid‡‡ | throisceadh sibh / dtroisceadh sibh‡‡ | throiscidís; throisceadh siad / dtroiscidís‡‡; dtroisceadh siad‡‡ | a throisceadh / a dtroisceadh* | throisctí / dtroisctí‡‡ |
| future | future | troiscfidh mé; troiscfead | troiscfidh tú; troiscfir$^†$ | troiscfidh sé, sí | troiscfimid; troiscfidh muid | troiscfidh sibh | troiscfidh siad; troiscfid$^†$ | a throiscfidh; a throiscfeas / a dtroiscfidh* | troiscfear |
| conditional | conditional | throiscfinn / dtroiscfinn‡‡ | throiscfeá / dtroiscfeá‡‡ | throiscfeadh sé, sí / dtroiscfeadh sé, sí‡‡ | throiscfimis; throiscfeadh muid / dtroiscfimis‡‡; dtroiscfeadh muid‡‡ | throiscfeadh sibh / dtroiscfeadh sibh‡‡ | throiscfidís; throiscfeadh siad / dtroiscfidís‡‡; dtroiscfeadh siad‡‡ | a throiscfeadh / a dtroiscfeadh* | throiscfí / dtroiscfí‡‡ |
| subjunctive | present | go dtroisce mé; go dtroiscead$^†$ | go dtroisce tú; go dtroiscir$^†$ | go dtroisce sé, sí | go dtroiscimid; go dtroisce muid | go dtroisce sibh | go dtroisce siad; go dtroiscid$^†$ | — | go dtroisctear |
| subjunctive | past | dá dtroiscinn | dá dtroiscteá | dá dtroisceadh sé, sí | dá dtroiscimis; dá dtroisceadh muid | dá dtroisceadh sibh | dá dtroiscidís; dá dtroisceadh siad | — | dá dtroisctí |
| imperative | imperative | troiscim | troisc | troisceadh sé, sí | troiscimis | troiscigí; troiscidh$^†$ | troiscidís | — | troisctear |
| verbal noun | verbal noun | troscadh | troscadh | troscadh | troscadh | troscadh | troscadh | troscadh | troscadh |
| past participle | past participle | troiscthe | troiscthe | troiscthe | troiscthe | troiscthe | troiscthe | troiscthe | troiscthe |
* indirect relative † archaic or dialect form ‡‡ dependent form used with particles that trigger eclipsis

#### Further reading

* “troisc”, in Historical Irish Corpus, 1600–1926, Royal Irish Academy
* Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “troiscid”, in eDIL: Electronic Dictionary of the Irish Language
* Ó Dónaill, Niall (1977) “troisc”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN

### Etymology 2

See the etymology of the corresponding lemma form.

#### Noun

troisc
* inflection of trosc:
** vocative/genitive singular
** nominative/dative plural