*ṯapr- - vulva (SED I No. 282; Kogan 2011: 219)

Akkadian

šapru - thigh (CAD Š₁ 480, AHw. 1175)

Contextually often applied to female genitals, see SED I No. 282.

Arabic

ṯafr- - vulva, vagina (Lane 340)

Mehri

mətfī́r - behind (bottom) (SSL 2 243)

Qishn, * ṯ > t. Meaning shift 'perineum' > 'anus' > 'bottom'?