trethan

Old Irish

Etymology

Has been folk-etymologized as tre- (“through”) +‎ tonn (“wave”),^[1] but Stifter believes that in reality it is from the oblique stem of triäth (“sea”).

Noun

trethan m (genitive trethain)

sea, especially when stormy or rough
- c. 845, St Gall Glosses on Priscian, published in Thesaurus Palaeohibernicus (reprinted 1975, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. II, pp. 49–224, Sg. 66^b1
  trethan ― glosses Latin gurges

Inflection

Masculine o-stem
	Singular	Dual	Plural
Nominative	trethan	trethan^L	trethain^L
Vocative	trethain	trethan^L	trethnu^H
Accusative	trethan^N	trethan^L	trethnu^H
Genitive	trethain^L	trethan	trethan^N
Dative	trethan^L	trethnaib	trethnaib
Initial mutations of a following adjective: ^H = triggers aspiration ^L = triggers lenition ^N = triggers nasalization

Mutation

Mutation of *trethan*
radical	lenition	nasalization
trethan	threthan	trethan pronounced with /d(ʲ)-/

Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.

References

^ Binchy, D. A. (1966) “Varia III”, in Ériu‎^[1], volume 20, Royal Irish Academy, →ISSN, →JSTOR, retrieved July 20, 2022, pages 229–237