Meaning of the word "enter on" in English

What does "enter on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

enter on

US /ˈɛntər ɑn/
UK /ˈɛntə ɒn/

Phrasal Verb

to begin or start something, especially a new phase, task, or period of time

Example:
After graduation, she decided to enter on a career in medicine.
The company will enter on a new phase of expansion next year.