English

impetuously

From impetuous + -ly.

A compound of impetuous + -ly

Latin impetus ‘attack, violence’

Late Latin impetuōsus ‘violent’

Old French impetueux ‘forceful’

Middle English impetuous

Today it means

adv In an impetuous manner; with sudden force

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

Etymograph / impetuously