Morpheme
Lock
Type
free base
Denotation
means of fastening, barrier, enclosure
Etymology
Middle English lok; Old English loc, lucan
Evidence
airlock, caplock, deadlock, doglock, eyelock, flintlock, gridlock, gunlock, leglock, liplock, livelock, lock, lockability, lockable, lockdown, locked, lockfast, locking, lockjaw, lockmaster, locknote, lockpick, locks, locksmith, lockstep, matchlock, overlock, padlock, picklock, unlock, unlockability, unlockable, unlocked, wheellock