IPA: /ɪˈvɒlvə/
KK: /ɪˈvɑlvər/
A person or thing that undergoes gradual development or change over time.
The scientist is an evolver of new theories in biology.
Evolver → It is formed from "e-" (a variant of "ex-", meaning out of) and "volvere" (meaning to roll or turn). The word "evolver" means to roll out or develop something from a previous state.
Think of something 'rolling out' ('volvere') from a previous state ('e-') — that's how you can remember that 'evolver' means to develop or change.