trethan

Old Irish

Etymology

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

Noun

trethan m (genitive trethain)

1. 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	trethanL	trethainL
vocative	trethain	trethanL	trethnuH
accusative	trethanN	trethanL	trethnuH
genitive	trethainL	trethan	trethanN
dative	trethanL	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.

Further reading

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “1 trethan”, in eDIL: Electronic Dictionary of the Irish Language