Arabic

watar- - tendon; string, chord (BK 2 1480, Lane 2918)

PWS
*watar-/*watr- - tendon (SED I No. 290; Kogan 2011: 215)
is based on Hbr. yätär, Syr. yatrā, Arb. watar-, Gez. watr, Amh. wätär (some of them with non-anatomic meanings like ‘rope’, ‘cord’, ‘bowstring’)