The story
- Proto-Indo-European · derived from*lewg-“to bend, turn”
- Proto-Germanic · inherited from*lukô
- Old English · inherited fromloca“a bar, bolt; enclosure, stronghold”
- Middle English · inherited fromloke
- English todayloke
From Middle English loke, from Old English loca (“a bar, bolt; enclosure, stronghold”), from Proto-Germanic *lukô, *lukǭ (“lock, clasp, shutter, opening”), from Proto-Indo-European *lewg- (“to bend, turn”). Cognate with Icelandic loka (“clasp, latch, lock, bolt”). More at lock.
Words from the same roots
Middle Englishloke all →
Old Englishloca all →
Proto-Indo-European*lewg- all →
Etymology from Wiktionary, CC BY-SA 4.0.