Meaning

noun the inner surface of the hand from the wrist to the base of the fingers

noun a linear unit based on the length or width of the human hand

noun any plant of the family Palmae having an unbranched trunk crowned by large pinnate or palmate leaves

originFrom Middle English palme, paume, from Old French palme, paulme, paume (“palm of the hand, ball, tennis”), from Latin palma (“palm of the hand, hand-breadth”), from Proto-Indo-European *pl̥h₂(e)meh₂ (“palm of the hand”), from Proto-Indo-European *pleh₂- (“flat”). Doublet of palmo, palma, and pam. Cognate with Ancient Greek παλάμη (palámē, “palm of the hand”), Old English folm (“palm of the…

Etymology from Wiktionary, CC BY-SA 3.0