交かわし合あう

か

わ

し

あ

う

Meanings

1

godan verb (-u), transitive verb

exchange with each other; intercommunicate

Describes mutual exchange of messages, vows, glances, etc. between two or more parties. Often used in contexts like 言葉を交わし合う or 誓いを交わし合う.

あ

っ

た

。

The two exchanged marriage vows.

交かわす
交わす means 'to exchange' without the mutual/reciprocal nuance of 交わし合う, which emphasizes doing it together.
交こう換かんする
交換する is a more general and formal term for exchanging objects or information, while 交わし合う often implies a more personal or communicative exchange.

Compound of 交わす (kawasu, 'to exchange') and 合う (au, 'to do mutually'). The combination emphasizes reciprocal action.