very, greatly

prosperity (usually of a country or a state)

to prosper; to thrive; to flourish

reign / holding a certain position

to reign, to hold the throne / to hold a certain position

duration, period

Short for 葦原の中つ国 (ashihara no nakatsukuni, “mortal realm”).

Middle-earth

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend