cogn▪ SED #254, Kogan2015: 198-99 #54: Ug šr (epigraphically unreliable); Hbr šōr, postBiblHbr šārār ‘navel, umbilical cord’; JP šōrā ‘umbilical cord’, Syr šerrā, šurtā ‘umbilicus’, Mand šura ‘navel’; Ar surr, sarar, sirar ‘umbilical cord’; Mhr *šīrε̄ ‘navel’ (see comments below), Hrs šerā, Soq šíraḥ, pl. šireʕheten ‘nombril’, also ŝiraḥ.
▪ Dolgopolsky2012 #2106: Ug šr, BiblHbr šor* ‘navel string, navel’, JPA šôrā, JEA šûrâ, Syr šerrā, Mand šura, nMand šorra ‘navel’, Ar surr ‘navel string’; Mhr ŝīrε̄ ‘navel’, Hrs šerā, Jib s͗irᴐʕ, Soq ŝirᴐʕ ̃širᴐʕ. – On the AfrAs level, the author sees cognates in (Berb) Izn/Rf asraw ‘fil de chaîne du métier à tisser’, Rf B/A fiřu usra ‘fil horizontal (trame)’, Tmz i-sirr (pl. i-sarr-ən) ‘fibre de bois\viande; fil de trame, fin pour le tissage des djellabas ou des burnous’. – For an assumed IE connection and, hence, a Nostr dimension, see DISC below.