palmistry (n.)youdaoicibaDictYouDict[palmistry 词源字典]
"divination from the palm of the hand," early 15c., from palme (see palm (n.1)) + obscure second element, perhaps -estre (as in Middle English webbestre "weaver") or -rie (as in Middle English archerie "archery"). Palmist (n.) is an 1886 back-formation.[palmistry etymology, palmistry origin, 英语词源]
palmisteryoudaoicibaDictYouDict
"= palmist", Early 16th cent.; earliest use found in Robert Henryson (d. c1490), poet. Apparently from palm + -ister, after palmistry.