Where does “lock” come from?
lock (Old Dutch) comes from Frankish *lokk, from Proto-Germanic lukkaz, from Proto-Indo-European lugnó-, from Proto-Indo-European lewǵ- — to break, tear; to break, shatter.
Ancestry of “lock”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Frankish | *lokk | — |
| 2 | Proto-Germanic | lukkaz | lock; curl |
| 3 | Proto-Indo-European | lugnó- | — |
| 4 | Proto-Indo-European | lewǵ- | to break, tear; to break, shatter |