IPA: //ˌriːsəˈplaɪ//
KK: /ˌriːsəˈplaɪ/
To provide something with new or additional supplies, especially in terms of resources or materials.
The army had to resupply its troops in the field to ensure they had enough food and ammunition.
Past: resupplied
Past Participle: resupplied
Resupply is formed from "re-" (meaning again) and "supply" (from Old French *supplyer*, meaning to provide or furnish). The word means to provide or furnish again, typically referring to replenishing supplies.
Think of 'again' ('re-') providing something ('supply') — that's why resupply means to provide something again.