brathaim, braithim
Definitions (by source)
I spy out, betray, perceive, expect. v.n. brath, 601, 1287, etc. ag brath, expecting, hoping for, 1306; do bhaoi ar brath, who was hoped for, 1519; pres. pass. braittear, 1201
Poems on the O'Reillys. Editor: James Carney.
I spy, perceive, 183
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.