| 1 | Old French | laisier | Alternative form of laissier; to let, let go,... |
| 2 | Old High German | lāzan | to let, let go, leave; to let, let go, release |
| 3 | Proto-West Germanic | lātan | to let, to allow; to leave alone |
| 4 | Proto-Germanic | lētaną | to let, to allow; to leave alone |
| 5 | Proto-Indo-European | leh₁d- | to be tired |