Proto-MSA

*ḥablat- - umbilical cord (SED I No. 110)

Connection with PCS *ḥbl ‘to be pregnant, conceive; to have labor pains’ is uncertain, see the discussion there.

Mehri
ḥəblēt, ḥəbēl - umbilical cord (ML 164)
Jibbali
ḥablέt - umbilical cord (JL 164)
Harsusi
ḥebelēt - umbilical cord (HL 55)