FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

ndabah ned-aw-baw' — from 5068; properly (abstractly) spontaneity, or (adjectively) spontaneous; also (concretely) a spontaneous or (by inference, in plural) abundant gift:--free(-will) offering, freely, plentiful, voluntary(-ily, offering), willing(-ly), offering).

see HEBREW for 05068