The Greek in Matthew 3:7 that is translated in English as “brood of vipers” or similar is translated in Ge’ez as tiwilide ārawīte midiri (ትውልደ አራዊተ ምድር) or “descendants of the beasts of earth” in the occurrence in Matthew. (Source: G.A. Mikre-Sellasie in The Bible Translator 2000, p. 302ff. )
See also You brood of vipers! (Luke 3:7).