-ru Godan/u-verb

1. usually kana to shut oneself in (e.g. one's room); to be confined in; to seclude oneself; to hide away; to stay inside (one's shell)
2. usually kana to fill with (emotion, enthusiasm, power, etc.); to imbue with; to infuse with (oft. ～のこもったもの)
3. usually kana to fill a space (of a gas, smell, etc.); to be heavy with (e.g. smoke); to be stuffy; to be dense
4. usually kana to be muffled (e.g. voice)
5. usually kana to hold (a castle, fortress, etc.)
6. usually kana to confine oneself in a temple to pray