partwayadverb
also part way uk/ˈpɑːt.weɪ//ˈpɑːrt.weɪ/at some point between each end of a distance or area:
He wore a tunic that came partway down his thighs.
One of the firefighters climbed partway up to help her.
The car's roof slides partway open.
We decided to walk part way.
at some point after something begins but before it has finished:
We're only partway through this remarkable period of technological advance.
He stopped singing part way through.
We can't abandon the attempt partway.