English
trader
From trade + -er.
A compound of trade + -er
Proto-Indo-European *dreh₂- ‘to tread, walk, run’
…
Proto-West Germanic *tradu
Old Saxon trada ‘spoor, track’
Middle Low German trade ‘track, course’
Middle English trade ‘path, course of conduct’
English trade
Today it means
noun One who earns a living by trading goods or securities.
Language periods are conventional ranges, not dates for this word.
Etymograph / trader