English
inacceptably
From in- + acceptable + -ly.
Formed from in- + acceptable + -ly
Proto-Indo-European *kap-
…
Latin acceptō
Late Latin acceptābilis ‘worthy of acceptance’
Middle French acceptable
Middle English acceptable ‘Pleasant, agreeable’
English acceptable
Today it means
adv Synonym of unacceptably.
Language periods are conventional ranges, not dates for this word.
Etymograph / inacceptably