英文字彙與字源學 Week 3

tain	to hold	tain (n.) "thin tin plate for mirrors, etc.," 1858, from French tain "tinfoil" (17c.), an alteration of étain "tin," from Latin stagnum, stannum "alloy of silver and lead," in Late Latin "tin" (see stannic).
stat	to stand	stat (n.) "instrument that keeps something stationary," before 1970, shortened form of Latin statim (adv.) "steadily, regularly; at once, immediately," from status (see state (n.1)). Perhaps originally "to a standstill." As an abbreviation of statistic, from 1961. Related: Stats.
pose	to place / to put / to set	pose (n.) "act of posing the body," 1818, from pose (v.1), in a sense developed in the French cognate. Figuratively from 1884.
plic	to fold	plic- prefix meaning a "fold or ridge": plicadentin, plication, plicotomy.