Complicated
来自Big Physics
early 17th century (in the sense ‘combine, entangle, intertwine’): from Latin complicat- ‘folded together’, from the verb complicare, from com- ‘together’ + plicare ‘to fold’.
etymonline
complicated (adj.)
1640s, "composed of interconnected parts, not simple," past-participle adjective from complicate. Figurative meaning "not easy to solve, intricate, confused, difficult to explain or understand" is from 1650s. Related: Complicatedness.
