partwaypart‧way /ˈpɑːtweɪ $ ˈpɑːrt-/ adverb informal 
for some of the distance or after some of the time has passed: 
I got the bus partway.partway through/along/down She left partway through the two-year contract.
for some of the distance or after some of the time has passed: I got the bus partway.partway through/along/down She left partway through the two-year contract.