Kyūjitai form of 言語学 (“linguistics”)

etymology (study of the historical development of languages, particularly of individual words)

linguistics

Kyūjitai form of 語源学: etymology

(Confucianism) Great Learning

(chiefly women's speech) first person singular pronoun: I, me

private; mine

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

a personal or private matter / (by extension) selfishness

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