English
accompanimental
From accompaniment + -al.
Formed from accompaniment + -al
Latin pānis ‘bread, loaf’
…
Old French compaignon ‘companion’
Old French acompagner ‘to associate with’
French accompagner ‘to accompany, to escort’
French accompagnement
English accompaniment
Today it means
adj Relating to or serving as an accompaniment
Language periods are conventional ranges, not dates for this word.
Etymograph / accompanimental