恋こい籠こもる

yodan verb with 'ru' ending (archaic), intransitive verb

to suffer from hidden love; to be miserable because of love

Archaic intransitive verb describing the heartache caused by a concealed or unrequited love. Not used in modern Japanese; found in classical literature.

• 古こ典てんの和わ歌かには、恋こい籠こもる心しん情じょうが詠よまれている。

  In classical waka poetry, the feeling of suffering from hidden love is expressed.