Mindless
来自Big Physics
wiktionary
From Middle English myndles, myndelees, myndeles, mendlees, from Old English myndlēas, ġemyndlēas(“foolish, senseless”), equivalent to mind + -less.
etymonline
mindless (adj.)
c. 1400, "unmindful, heedless, negligent," also "senseless, beside oneself, irrational, wanting power of thought," from mind (n.) + -less. Related: Mindlessly; mindlessness. Old English had myndleas "foolish, senseless."