óenar

Old Irish

From óen (“one”) +‎ fer (“man”).

óenar n (genitive oínair)

one person
(in the dative, with a possessive determiner) alone, by oneself
- 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. 14^d17
  coní·árim-se peccad libsi uili, ꝉ ara·tart-sa fortacht dúibsi, arnap trom fuirib for n‑oínur
  so that I may not count sin with you all, or so that I may give aid to you lest it be heavy on you by yourselves

Neuter o-stem
	Singular	Dual	Plural
Nominative	óenar^N	—	—
Vocative	óenar^N	—	—
Accusative	óenar^N	—	—
Genitive	oínair^L	—	—
Dative	oínur^L	—	—
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Old Irish mutation
Radical	Lenition	Nasalization
óenar (pronounced with /h/ in h-prothesis environments)	unchanged	n-óenar
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “oenar”, 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, pages 160, 173, 243