a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

personal, private / secret

(formal) first-person singular pronoun: I, me

Alternative spelling of 私達 (“we; us”)

tube; pipe; duct; tract

a pipe or tube, such as that made of bamboo, wood, metal, or rubber / a shuttle for weaving with a loom (from the way the earliest shuttles were made from bamboo tubes)

(derogatory) scholasticism

Synonym of 倫理学 (rinrigaku, “ethics”); moral philosophy

philosophical

positivism