English
magnipotent
From magni- + potent.
Proto-Indo-European *méǵh₂s ‘great’
Proto-Indo-European *m̥ǵh₂nós
Proto-Italic *magnos ‘great’
Latin magnus ‘great, large, big’
English magni-
Proto-Indo-European *pótis ‘owner, master, host, husband’
…
Latin potis ‘able, powerful, originally a lord, master’
Latin posse ‘to be able’
Latin potens ‘powerful, strong, potent’
Middle English potent ‘staff, crutch’
English potent
Today it means
adj Possesing great power
Language periods are conventional ranges, not dates for this word.
Etymograph / magnipotent