square root

military academy, (especially) the Imperial Japanese Naval Academy

粉骨砕身: exerting oneself to the utmost, doing one's best

(Zen Buddhism) the teaching of intangible or abstract concepts in 仏法 (buppō, “dharma”) without using words / non-verbal communication, or the ability to immediately understand each other without words

the subconscious; the subconscious mind / subconsciousness

clothing, food, and shelter

Synonym of アメリカンフットボール (Amerikan futtobōru, “American football”)

(slang) person of strong vanity

(military, historical) Eighth Route Army

(military, historical) a commander in charge of the cavalry during imperial visits or on the arrival of foreign envoys