PWS

*ˁa/irḳ- - tendon, muscle, vein, nerve (SED I No. 20)

Arabic
ˁirq - vein, artery (BK 2 229, Lane 2018)
Sabaic
ˁrḳ - neck muscle; collar-bone (SD 19)
Translated as ‘sweating sickness (?)’ in [Biella 385] and compared with Arb. ˁaraḳ- ‘sweat’.
Tigre
ˁaräḳ - tendon, nerve (WTS 459)
An Arabism according to [Leslau Loanwords 166]; see, however, difference in meaning.
Harari
ḥaräḳ - arm above elbow (EDH 86)
May be related.
Selti
aräḳ - arm above elbow, front leg of cattle (EDG 90)
May be related. An alternative explanation as a borrowing from Cush. see [ibid.] and [Dolg. SIFKY 158:9].
Wolane
aräḳ - arm above elbow, front leg of cattle (EDG 90)
May be related. An alternative explanation as a borrowing from Cush. see [ibid.] and [Dolg. SIFKY 158:9].
Zway
aräḳ - arm above elbow, front leg of cattle (EDG 90)
May be related. An alternative explanation as a borrowing from Cush. see [ibid.] and [Dolg. SIFKY 158:9].
Mehri
ˀarḳ - root; artery, sinew, nerve (ML 28)
For etymology v. SED I No. 20.
Harsusi
ˁarḳ - vein, sinew, nerve, artery (HL 10)
Var. ˁāreḳ.
Soqotri
ˁárnɛg - hamstring, (Naumkin et al. 2015a:61; CSOL III)