do

I

to, Irish do, Old Irish do, du, Cornish dhe, Old Breton do, Breton da; English to, Anglo-Saxon tó, German zu; Latin -do (endo, indu); Greek $$G-de. Stokes derives the prep do from the verbal particle do, to. See do.

II

a verbal particle denoting "to, ad", Irish do, Old Irish do-, du-, also to-, when it carries the accent (e.g. dobiur, I give, *do-bérô, but tabair, give, *tó-bere; Welsh du-, dy-, y. Cf. Gat. du, to prep. and prefix, for *þ;u?

III

thy, Irish do, Old Irish do, du, Welsh dy, Early Welsh teu, Cornish dhe, Bretonda, *tovo; Latin tuus; Sanskrit táva, etc. See tu.