English
inequivalent
From in- + equivalent.
A compound of in- + equivalent
Proto-Indo-European *h₂welh₁-
…
Proto-Italic *walēō ‘to be strong’
Latin valeō ‘to have strength’
Latin aequivaleō ‘to be equivalent’
Latin aequivalēns ‘equivalent’
English equivalent
Today it means
adj Not equivalent
Language periods are conventional ranges, not dates for this word.
Etymograph / inequivalent