Adorior

From TTT

Latin-English

ădŏr|ĭor, -ĭrī, -tus sum. (aˈdo.ri.or) v. trans.

1. To confront, accost, stand up to sb.
2. To attack, assail, rise up against sb.
3. To take a risk, or otherwise venture on doing smth.

[ad + orior.]