dathaigh1, v.t. & i. (pp. daite). 1. Colour; dye, paint. (a)Uisce a dhathú, to colour water. Éadach a dhathú, to dye cloth. Tae a dhathú, to add milk to tea. (b)Scéal, bréag, a dhathú, to colour, give plausibility to, a story, a lie. (c)Tú féin a dhathú, to make up, disguise, oneself. 2. Cards:(a)Cártaí a dhathú, to ‘colour’, rig, cards. (b) Lead trump. Dhathaigh sé an t-aon, he led the ace of trumps. 3 = dath21.