Kyūjitai form of 宗主権

suzerain (dominant nation or state)

maintenance

largely; mostly

a lot / a majority

maintain, keep

experience (an experience or one's (overall) experience)

to experience

a suzerain (a kind of leader) / the head of a house, lineage, or clan / a leader of a lineage in the ancient Chinese feudal system

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