English

interinfluence

From inter- + influence.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Latin fluō ‘to flow’

…

Latin īnfluēns ‘flowing into’

Medieval Latin īnfluentia

Old French influence ‘inundation; influence’

Middle English influence

Today it means

verb To influence in mutual and varied ways.

Language periods are conventional ranges, not dates for this word.

Etymograph / interinfluence