aithreachas, m. (gs. -ais). Repentance, regret. ~ a dhéanamh, to repent. An bhfuil ~ ort as do pheacaí? Are you sorry for your sins? Tháinig ~ orm gur labhair mé, I regretted that I had spoken. Beidh a ~ ort, beidh tú ina ~, you will rue it. Ní raibh m’~ ar aon duine riamh, nobody could regret it more than I do. Dá mbeadh breith ar a ~ aige, if he could undo what he has done.