The story
- Ancient Greek · derived fromκατηχούμενος“being instructed”
- Ecclesiastical Latin · derived fromcatēchūmenus
- Middle French · derived fromcathecumin
- Middle English · inherited fromcathecumynys pl
- English todaycatechumen
From Middle English cathecumynys pl, from Middle French cathecumin (modern French catéchumène) or Ecclesiastical Latin catēchūmenus, itself a borrowing from Ancient Greek κατηχούμενος (katēkhoúmenos, “being instructed”), present participle passive of κατηχέω (katēkhéō, “sound through, instruct orally, catechise”), from κατά (katá, “down”) + ἠχή (ēkhḗ, “sound”).
Etymology from Wiktionary, CC BY-SA 4.0.