locomotive
adj.
1610s, "pertaining to movement," from French locomotif, from Latin loco "from a place" (ablative of locus "place;" see locus) + Late Latin motivus "moving" (see motive). The noun meaning "railroad engine" is from 1829, short for locomotive engine (1814).
〔蒋〕[loc地方，-o-，mot移动，-ive形容词后缀，…的;’能由一个地方移动至另一个地方的”] 移动的，运动的;[转为名词，’能索引他物，由一地方移动至另一地方的机器”] 机车，火车头
〔李〕[loc=place地方;-o-;mot=to move移动；-ive a.=capable of能……的→“capable of moving from place to place能移动到另一个地方的”→]Ⅰa. capable of moving in space运动的，移动的