IPA: /ˈriːweɪ/
KK: /riˈweɪ/
To measure the weight of something again after it has already been weighed.
The scientist decided to reweigh the samples to ensure accuracy.
Past: reweighed
Past Participle: reweighed
Reweigh → It is formed from "re-" (meaning again) and "weigh" (from Old English "wegan", meaning to carry or to weigh). The word "reweigh" means to weigh something again.
Think of weighing something 'again' — 're-' means again, and 'weigh' relates to measuring weight.