IPA: /əˈmæs/
KK: /əˈmæs/
To gather or collect a large amount of something over time.
Over the years, they managed to amass a considerable fortune.
Past: amassed
Past Participle: amassed
To gather or collect a large amount of something over time.
She managed to amass a fortune through her successful business ventures.
Past: amassed
Past Participle: amassed
Amass is formed from "a-" (meaning to) and "mass" (from Latin "massa", meaning a lump or mass). The word describes the act of gathering or accumulating into a mass or large quantity.
Think of gathering things 'to' form a 'mass' — that's why amass means to accumulate.