English

influenceless

From influence + -less.

Formed from influence + -less

Latin fluō ‘to flow’

…

Latin īnfluēns ‘flowing into’

Medieval Latin īnfluentia

Old French influence ‘inundation; influence’

Middle English influence

Today it means

adj Lacking influence; uninfluential.

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

Etymograph / influenceless