Ugaritic

ˀušr - penis (DUL 118, Watson 2007: 79)

See Akk. išaru

Areal reconstruction
*ˀVšVr- - penis (Kogan 2015:332)

Akk.-Ugt. isogloss, has no parallel elsewhere in Semitic. If the Akk. and Ugr. terms are related as cognates, the traditional derivation of Akk. išaru from ešēru 'to be straight' (<*yšr) become impossible.