(historical, collective, feudalism) noblemen, especially those with familial ties to an East Asian 皇帝 (kōtei, “huangdi; emperor”), who were ranked by the 五爵 (goshaku, “five ranks”)

spring and autumn / (metonymically) a year; (by extension) one's age

the Spring and Autumn Annals

spring and autumn / (metonymically) a year; (by extension) one's age

a land, a large place / a country in general, a region / a country as in a nation, a state / the office of emperor, the crown; affairs of state / a province of ancient Japan

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)

defense / protection

defend; protect; guard

(historical) Wey (state)

(rare) defend; protect; guard