Short for 三河国 (Mikawa-no-kuni): Mikawa Province / Alternative spelling of 三 (san): 3, three

participate in / take part in / join / attend

paleo-, old, used, previous

a type of administrative district, including 43 of the 47 prefectures of modern Japan, Chinese counties, French departments, etc.

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

old things, original state, former state, old times / the old calendar based on a lunar system / used item, secondhand item

paleo-, ex-, old, previous, former

old; previous

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

a personal or private matter / (by extension) selfishness