Semitic Etymological Database
Cf. non-anatomic meanings in yrk 'side, slope' [Del Olmo Mitos 562], yrkt 'side, back' [Aist. 137].
Quite uncertain, borrowing from Akk. ayyartu ‘a shelľ is unprovable (Kogan 2015: 367).
ptc. act. m.