IPA: /əˈlɒtmənt/
KK: /əˈlɑt.mənt/
A share or portion of something that is given or assigned to someone, often as part of a plan or distribution.
The community garden has an allotment for each family to grow their own vegetables.
Allotment is formed from "allot" (from Old French *alotir*, meaning to assign or distribute) and "-ment" (a suffix used to form nouns indicating an action or resulting state). The word refers to the act of assigning or distributing something, often in terms of shares or portions.
Think of the word 'allot' meaning to 'assign' something, and the '-ment' indicating the result of that action. This helps you remember that 'allotment' is the result of assigning or distributing portions.