Mehri

ˀāṣbīt - sinew, nerve (ML 30)

PWS
*ˁa(n)ṣab- - sinew, nerves (SED I No. 16)
Poorly attested; the MSA terms may be Arabisms. The Tgr. form is hardly an Arb. loan pace [Leslau Loanwords 166].