fíadu

Old Irish

Etymology

From Proto-Celtic *weidwūs, from *weyd- (“to know”) +‎ *-wōs (stative participle suffix). The n-stem inflection is secondary.

Noun

fíadu m

1. witness

Inflection

Masculine n-stem

	singular	dual	plural
nominative	fíadu	fíadainL	fíadain
vocative	fíadu	fíadainL	fíadnaH
accusative	fíadainN	fíadainL	fíadnaH
genitive	fíadan	fíadanL	fíadanN
dative	fíadainL, fíaduL	fíadnaib	fíadnaib

Initial mutations of a following adjective:

• ^H = triggers aspiration
• ^L = triggers lenition
• ^N = triggers nasalization

Related terms

• noídiu

Mutation

Mutation of fíadu

radical	lenition	nasalization
fíadu	ḟíadu	fíadu pronounced with /β(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), “2 fíada”, in eDIL: Electronic Dictionary of the Irish Language