a surname The 4th most common surname in Japan.

surname / clan

a clan / (historical) a kind of hereditary title bestowed to clans in ancient Japan

surname, family name / clan

(uncommon) surname, family name / (uncommon) clan

surname, family name / (historical, obsolete) clan

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

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

a personal or private matter / (by extension) selfishness

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