cumulate

/ˈkjuːmjəˌleɪt/
verb
  1. To gather or pile up over time; to accumulate.
    • Over the years, small savings can cumulate into a large fund.
    • Dust will cumulate on the shelves if you don't clean them regularly.
    • The evidence began to cumulate, pointing to a single suspect.
Antonyms
What does "cumulate" mean? | whatsthatwordmean | whatsthatwordmean