From Latin 'devovere' (to vow completely) — a thorough vowing of oneself. 'Vote' was originally a solemn vow too.
Love, loyalty, or enthusiasm for a person, activity, or cause; religious worship or observance.
From Old French 'devocion,' from Latin 'dēvōtiōnem' (accusative of dēvōtiō: a consecrating, a vowing, a solemn dedication), the noun of action from 'dēvovēre' (to vow completely, to dedicate, to curse), composed of 'dē-' (completely, intensifying) + 'vovēre' (to vow, to promise solemnly). The PIE root is *h₁wegʷʰ- (to speak solemnly, to make a sacred promise) — a root shared by Sanskrit 'vāghát-' (a priest who utters sacred formulas) and Greek 'euchomai' (I vow, I pray). In Classical Latin, 'devotio' had a darker
'Devotion,' 'vote,' 'vow,' and 'vowel' all connect to the act of speaking solemnly. Devotion is a solemn vow. A vote was originally a vow (a solemn promise to support). A vow is a sacred promise. And a vowel is a 'vocal letter' — the sounds that carry the voice. Latin 'vovēre' (to vow) and 'vōx' (voice) are