English
gangmaster
From gang + master.
Proto-Indo-European *ǵʰengʰ- ‘to step, walk’
…
Proto-Germanic *gangaz ‘going, way’
Proto-West Germanic *gang ‘way, going’
Old English gang ‘journey; way, passage’
Middle English gang ‘journey; company’
English gang
Proto-Indo-European *méǵh₂s ‘big’
Old Latin magester
Latin magister ‘chief’
Old English mǣster
Middle English maister ‘master’
English master
Today it means
noun A person who employs and directs large groups of (usually agricultural) manual labourers, especially those who are poorly paid and illegally employed.
Language periods are conventional ranges, not dates for this word.
Etymograph / gangmaster