momentously

English

Etymology

Etymology tree

English moment

Proto-Indo-European *h₃ed-

Proto-Indo-European *-os

Proto-Indo-European *h₃édosder.?

Proto-Italic *-ōtsos or *-otsos

Latin -ōsus

Old French -usbor.

Middle English -ous

English -ous

English momentous

Proto-Indo-European *leyg-der.

Proto-Germanic *līkąder.

Proto-Germanic *-līkaz

Proto-Germanic *-ê

Proto-Germanic *-līkê

Proto-West Germanic *-līkē

Old English -līċe

Middle English -ly

English -ly

English momentously

From momentous + -ly.

Adverb

momentously (comparative more momentously, superlative most momentously)

1. In a momentous manner.