west▪ (Huehnergard2011:) Engl rabbi, Reb, rebbe, from Hbr and Aram rabbî ‘my master’, from rab(b) ‘master, chief’, from rab ‘to be(come) much, many, great’ (‑î ‘my’; cf. Ar ↗rab(b)). – Engl rabbinical, prob. from Aram rabbin, pl. of rab(b) ‘master’ (see above).