English
latchbolt
From latch + bolt.
Proto-Indo-European *(s)leh₂g-
Proto-Germanic *lakjaną ‘to make wet’
Proto-West Germanic *lakkjan ‘to seize’
Old English læċċan ‘to grasp, take hold of, catch, seize’
Middle English lacchen ‘to seize, catch, grasp’
English latch
Proto-Germanic *bultaz
Proto-West Germanic *bolt ‘bolt arrow’
Old English bolt
Middle English bolt
English bolt
Today it means
noun A spring-loaded part of a lock that extends from the front of the lock and into a hole in the door frame, or strike, in order to hold the door closed.
Language periods are conventional ranges, not dates for this word.
Etymograph / latchbolt