- dà
- two, Irish dá, Old Irish dá (m.), dí (f.), da n- (n.), Welsh dau (m.), dwy (f.), Cornish dou, diu, Breton daou, diou, (f.), *dvâ, *dvâu (m.), dvei (f.), dvabin (dat.); Sanskrit dvau, dvâ, dve (f., n.); Greek $$Gdúw; Latin duô: Gothic tuai, English two.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.