also millepede, c. 1600, from Latin millepeda "wood louse," a type of crawling insect, from mille "thousand" (see million) + pes (genitive pedis) "foot," from PIE root *ped- (1) "a foot" (see foot (n.)). Probably a loan-translation of Greek chiliopous.[millipede etymology, millipede origin, 英语词源]