beannú, m. (gs. -nnaithe).1. vn. of beannaigh1. 2. Blessing. ~ a dhéanamh, to perform a blessing. ~ a chur ar dhuine, ar rud, to call a blessing on s.o., sth. ~ air, God bless him. 3. Greeting. ~ Dé a thabhairt do dhuine, to greet s.o. Ní sin ~ ar bith le tabhairt do dhuine, that is no way to greet a person. An ~ céanna duit, I greet you likewise.