"divination by the hand, palmistry," 1520s, from French chiromancie (14c.), from Medieval Latin chiromantia, from Late Greek kheiromanteia, from kheiro-, comb. form of kheir "hand" (see chiro-) + -mantia (see -mancy). Related: Chiromancer; chiromantic.[chiromancy etymology, chiromancy origin, 英语词源]