Partway (adverb)

1. To some extent or point but not all the way.
2. At an intermediate point or stage.
3. Not completely or fully.

Origin:

From part + way, meaning to a certain point or extent, but not all the way.

Examples:

1. We walked partway up the mountain before stopping to rest.
2. She finished partway through the book before losing interest.
3. The project is only partway completed.