English
locksport
From lock + sport.
Proto-Indo-European *lewg- ‘to bend’
Proto-Germanic *luką
Proto-West Germanic *lok ‘shutter’
Old English loc
Middle English lok
English lock
Latin portō ‘to carry, bear’
Old French porter ‘to carry’
Anglo-Norman desporter ‘to divert, amuse’
Middle English disporten ‘to disport’
Middle English sporten ‘to divert’
English sport
Today it means
noun The hobby of cracking locks open, such as by lock picking.
Language periods are conventional ranges, not dates for this word.
Etymograph / locksport