The story
- Proto-Indo-European*dʰregʰ-der.?
- Latintrahere
- Vulgar Latin*tragīnāre
- Old Frenchtraïner
- Old Frenchtrain
- Middle Englishtrayne
- Englishtrain
- Proto-Indo-European*mon-
- Proto-Germanic*mann-
- Proto-West Germanic*mann
- Old Englishmann
- Middle Englishman
- English todaytrainman
Etymology from Wiktionary, CC BY-SA 4.0.