disc▪ Lokotsch1927 #2152, EtymOnline, Behnstedt2006, Westendorf2008: from Copt (S) waḥe ‘oasis; [properly:] dwelling place’ (< Eg wḥ3.t – ErmanGrapow1921, TLAe) (Lokotsch: and Eg sa-, sō ‘to drink’) > Ar wāḥaẗ, Grk óasis > lLat oasis > Fr oasis, Engl oasis (C16)
▪ Cf. however Corriente2008: in view of its presence in CA dictionaries, the borrowing must have happened much earlier, from Eg wḥ3.t ‘region of the Oases’.