IPA: /əˈbændənmənt/
KK: /əˈbændənmənt/
The act of leaving something behind or giving it up completely, often resulting in it being deserted or neglected.
The abandonment of the old building left it in ruins.
Abandonment is formed from "abandon" (from Old French *abandoner*, meaning to give up or forsake) and the suffix "-ment" (meaning the action or result of). The word "abandonment" refers to the act of giving up or forsaking something or someone.
Think of the action of 'giving up' ('abandon') and the result of that action ('-ment') — abandonment means the act of giving something up.