The story
- Proto-Indo-European*dʰregʰ-der.?
- Latintrahere
- Vulgar Latin*tragīnāre
- Old Frenchtraïner
- Old Frenchtrain
- Middle Englishtrayne
- Englishtrain
- Proto-Indo-European*ḱer-
- Proto-Indo-European*ḱreh₁-sḱéti
- Latincrēscere
- Old Frenchcreistre
- Old Frenchcreue
- Middle Englishcrue
- Englishcrew
- English todaytraincrew
Etymology from Wiktionary, CC BY-SA 4.0.