Selti

bäzä - to be many, numerous (EDG 168)

PES
*bzḫ - to be numerous (Kogan 2015: 442)

Probably related to Akk. šuparzuḫu ‘to make abundant, to provide abundantly’, Arb. bḏḫ ‘to be high, lofty; to be proud, haughty’.