| 1 | Old French | lait | milk; ugly; horrific; awful; terrible |
| 2 | Vulgar Latin | laitus | unpleasant, ugly; unpleasant, disgusting, ugly |
| 3 | Frankish | laiþ | unpleasant, obstinate, odious; unpleasant,... |
| 4 | Proto-Germanic | laiþaz | loath; loathsome; disgusting; unwilling; averse;... |
| 5 | Proto-Indo-European | leyt- | to scratch; to leave, die; to go, go forth, die |
| 6 | Proto-Indo-European | lēy- | to leave, let; to want, desire; to let; leave... |