| 1 | Middle English | lesen | to lose, be deprived of; to damn, doom to... |
| 2 | Old French | lesser | Alternative form of laissier |
| 3 | Latin | laxō | — |
| 4 | Latin | laxus | wide, spacious, roomy; yielding; loose, slack,... |
| 5 | Proto-Indo-European | (s)lēg- | to let go; weak, feeble; loose; dissolute, lewd;... |