Soqotri

mónḥeṣ - small of the back (LS 264; CSOL I 623)

PS
*ḫam/nṣ- - waist (SED I No. 132)
Scarcely attested (in Akk. and Arb.); phonetically and semantically highly problematic. Vocalism based on Akk. only, as the Arb. form represents a derived pattern.