The story
- Proto-Indo-European*dʰregʰ-der.?
- Latintrahere
- Vulgar Latin*tragīnāre
- Old Frenchtraïner
- Old Frenchtrain
- Middle Englishtrayne
- Englishtrain
- Latinō
- Old Frenchoh
- Middle Englisho
- EnglishO
- Middle Englisho
- Englishoh
- English todaytraino
Etymology from Wiktionary, CC BY-SA 4.0.