- tu
- tu, thuthou, Irish, Old Irish tú, Welsh ti, Cornish ty, te, Breton te: *tû; Latin tû; Greek sú; English thou; Prussian tou; Zend tû.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.