early on

idiomPart ofearly

early on — idiom

1. at an early stage in a process, relationship, or period, especially before much

1.idiom
Definition

at an early stage in a process, relationship, or period, especially before much has happened or been decided.

Example

Ari realised early on that he wanted to study marine biology instead of engineering.

The team knew early on that the project would need more time and money.