PCS

*zubb- - (male) genitalia (SED I No. 293)

Hebrew
zubbān - the bag which contains a male animal's member (Jastrow 383)

< *zubb-ān

Syriac
zulbānā, zəlūbānā - generative organ (of deer and horse) (LSyr. 197)

Probably related, with -l- of obscure origin.

Arabic
zubb- - verge, penis (of the man or of another male being); tip of the beard; nose (BK 1 968)