Oss (greeting)

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"Oss!" may have originated at Takushoku University in Tokyo

Oss also Osu (Japanese: おす or おっす) is a casual greeting in Japanese typically associated with male practitioners of Japanese martial arts such as karate, kendo, and judo.^[1]^[2]

"Oss!" is used outside Japan by some practitioners of Japanese martial arts and derived systems, e.g. Brazilian jiu-jitsu.^[1]

There are various theories as to its origin, but the term is believed to have originated before WWII in the Imperial Japanese Navy, at the Kyoto Budo Senmon Gakko of the Dai Nippon Butoku Kai, or the sumo club at Takushoku University.^[1] It is a rough contraction of ohayō gozaimasu (おはようございます).^[3] In addition to use as a greeting, oss! can also function as "yessir!" when a subordinate is brusquely questioned by a teacher, superior officer, or sempai.

It has also spread overseas as OSU or OSS, mainly in the Brazilian Jiu- Jitsu and Karate communities.^[4]

"Oss" can be written in kanji as 押忍 but these are ateji applied after the term became common.^[1]

References

^ ^a ^b ^c ^d 大森敏範 (2016). 押忍とは何か?. Sangokan. ISBN 978-4883206902.
^ 道場内での規律及びしきたりについて空手道場　極真館埼玉県北支部
^ "第１回自衛隊のレンジャーってなに��". 自衛隊採用ガイド. 防衛省・自衛隊. Retrieved 2019-01-05.
^ 大森敏範 (2016). 押忍とは何か?. 三五館. ISBN 978-4883206902.

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[omori-1] 大森敏範 (2016). 押忍とは何か?. Sangokan. ISBN 978-4883206902.

[2] 道場内での規律及びしきたりについて空手道場　極真館埼玉県北支部

[3] "第１回自衛隊のレンジャーってなに��". 自衛隊採用ガイド. 防衛省・自衛隊. Retrieved 2019-01-05.

[omori3-4] 大森敏範 (2016). 押忍とは何か?. 三五館. ISBN 978-4883206902.

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