A district of Aomori Prefecture, Japan, Asia / A town in Sannohe district, Aomori Prefecture, Japan, Asia

three dimensions, three-dimensional

triangular prism

three years; the third year / (education) the third school year / (figuratively) a long period of time, several years

three years; triennial / three years old

three years of age, three years old

(lit. one eye, two legs/feet, three courage, four power) "first, eyes, second, feet, third, courage, fourth, power". The essentials of [kendo] in descending order of importance

thirty

frame, scaffold / wooden bolt of door

Synonym of 酸素 (sanso, “oxygen”)