English
trapwork
trap + -work
Formed from trap + -work
Proto-Indo-European *drebʰ- ‘to step, trip, trample’
…
Proto-West Germanic *trappjan ‘to step’
Proto-West Germanic *trappjā ‘trap, snare’
Old English træppe ‘trap, snare’
Middle English trappe
English trap
Today it means
noun An arrangement of traps (openings through the stage floor).
Language periods are conventional ranges, not dates for this word.
Etymograph / trapwork