FROM STRONG’S HEBREW DICTIONARY (1890)

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

kaph kaf — from 3721; the hollow hand or palm (so of the paw of an animal, of the sole, and even of the bowl of a dish or sling, the handle of a bolt, the leaves of a palm-tree); figuratively, power:--branch, + foot, hand((-ful), -dle, (-led)), hollow, middle, palm, paw, power, sole, spoon.

see HEBREW for 03721