godan verb (-tsu), intransitive verb
fight each other; clash
Describes two parties engaging in combat or conflict with each other. Often used in literary or historical contexts.
両軍の兵士たちが激しく相打った。
The soldiers of both armies fiercely clashed with each other.
彼らは剣を交えて相打つことになった。
They ended up fighting each other with swords.