Godan verb with 'u' ending, Intransitive verb

to go to and from (a place); to go back and forth between; to run between (e.g. bus, train, etc.); to ply between

to go to (school, work, etc.); to attend; to commute; to frequent

to circulate (e.g. blood, electricity); to be communicated (e.g. thought)

see 血が通うsee 心が通う

to resemble