| 1 | Middle English | lifte | — |
| 2 | Old English | lyft | air, atmosphere; the sky |
| 3 | Proto-West Germanic | luftu | roof; air |
| 4 | Proto-Germanic | luftuz | roof; roof of the earth, firmament; heavens, sky;... |
| 5 | Proto-Indo-European | lewp- | peel, break off; to flake off, peel, damage; to... |
| 6 | Proto-Indo-European | lew- | dirt, mud; to cut, remove, prune, separate; to... |