幽閉

瞳を閉じる

ひとみをとじる

to close one's eyes

密閉の窟

みっぺいのくつ

sealed cave

閉鎖

へいさ

closing, closure

開閉

かいへい

opening and shutting, opening and closing

閉会

へいかい

closure (of a ceremony, event, meeting, etc.)

閉口

へいこう

to be stumped, to be at a loss

閉店

へいてん

closing up shop (for the day), stopping business

閉幕

へいまく

falling of the curtain, (coming to an) end