| 1 | Old French | lessié | past participle of lessier |
| 2 | Old French | lessier | Alternative form of laissier; to permit, to let |
| 3 | Latin | laxo | I extend, expand; I open, make wide; I undo,... |
| 4 | Latin | laxus | wide, spacious, roomy; yielding; loose, slack,... |
| 5 | Proto-Indo-European | (s)lēg- | to let go; weak, feeble; loose; dissolute, lewd;... |