-ment

suffix

(forms nouns from verbs, the nouns having the sense of "the action or result of what is denoted by the verb")

Wiktionary

suffix

Etymology: Etymology tree Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Old French -mentbor. Middle English -ment English -ment From Middle English -ment, from Old French -ment, from Latin -mentum.

Attached to a verb to form a noun meaning the action denoted by the verb or its result.