Goídelc

Old Irish

Borrowed from Proto-Brythonic *Guɨðeleg (the ancestor of Welsh Gwyddeleg (“the Irish language”)) with unexpected syncope (instead of expected *Goídlec).^[1]^[2] See also Goídel, Welsh Gwyddel.

Goídelc f

Feminine ā-stem
	Singular	Dual	Plural
Nominative	Goídelc^L	—	—
Vocative	Goídelc^L	—	—
Accusative	Goídilc^N	—	—
Genitive	Goídilce^H	—	—
Dative	Goídilc^L	—	—
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Old Irish mutation
Radical	Lenition	Nasalization
Goídelc	Goídelc pronounced with /ɣ(ʲ)-/	nGoídelc
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

^ David Stifter, Elliott Lash, Fangzhe Qiu, Lars Nooij et al. (2017 September 10) “Proceedings of the Thurneysen Fanclub: issue 21”, in Rudolf Thurneysen (brought to you by ChronHib) page on Academia.edu‎^[1], retrieved 2024-02-13: “At any rate, Old Irish Goídelc, a British loanword (Welsh Gwyddeleg), is already an unexpected form in that it shows an unusual syncope. It should really have been Goídlec.”
^ David Stifter, Aaron Griffith (2020) “Old Irish – Introduction, Part 3: Influence and Handbooks”, in Saverio Dalpedri, Götz Keydana, Stavros Skopeteas, editors, Glottothèque: Ancient Indo-European Grammars online‎^[2], University of Göttingen, →DOI, retrieved 2024-02-13: “Old Welsh *guɨðel ‘wild one’ + glottonym *guɨðeleg > OIr. Goídel ‘Irish’, Goídelc ‘Irish language’”