Suijutsu (水術) or suieijutsu (水泳術) is the Japanese martial art of combative swimming. Literal translation of the term from Japanese is "water skills".
References
Suijutsu Wikipedia(Text) CC BY-SA
Suijutsu (水術) or suieijutsu (水泳術) is the Japanese martial art of combative swimming. Literal translation of the term from Japanese is "water skills".