The story
- Proto-Indo-European*dʰregʰ-der.?
- Latintrahere
- Vulgar Latin*tragīnāre
- Old Frenchtraïner
- Old Frenchtrain
- Middle Englishtrayne
- Englishtrain
- Proto-Indo-European*meǵh₂-
- Proto-Indo-European*meh₂-
- Proto-Italic*magisteros
- Latinmagister, magistrum
- Old Frenchmaistre
- Latinmagister
- Old Englishmǣġester
- Middle Englishmaister
- Englishmaster
- English todaytrainmaster
Etymology from Wiktionary, CC BY-SA 4.0.