My question is about phrases like 心を通わせる, etc which use 通わせる. If I look up an
explanation using it I will often see e.g. 心が通じ合う which makes sense to me, but
I don't quite get how to understand the way the causative form of 通う is being
used.

こうして、流れに身を任せるように、お互いの **気持ちを通わせていった**
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2020-10-03T10:38:44.233
80942
2020-10-03T23:01:05.400
40489
question
meaning
Meaning of 気持ちを通わせていった
気持ちが通う：one's feeling interacts

人が気持ちを通わせる：People make their feelings interact
CC BY-SA 4.0
2020-10-03T23:01:05.400
80947
2020-10-03T23:01:05.400
4092
80942
answer