a cant or secret language of ladies-in-waiting in the imperial court, arising during the Muromachi period and later spreading to the general population / a word originally belonging to this cant

to use / to employ / to make use of, to apply / to spend

expression (by words, facial, attitude) / representation (of art, play, music) / performance (of actor, player, ...)

express

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

he; boyfriend

(humble, only refers to one's own) a wife (married woman)

spouse

a side dish / a tangent, a digression, something to the side of the main thing