ichidan verb, transitive verb
start to drink; try to drink; partially drink
Compound verb combining 飲む (drink) with かける (start/partially do). Covers beginning to drink, taking a sip, or drinking only part of something. The exact nuance depends on context.
コーヒーを飲みかけたまま席を立った。
I left my seat with my coffee only half-drunk.
薬を飲みかけようとしたが、水がなかった。
I was about to take my medicine, but there was no water.