the period of actual darkness after sunset and before sunrise; a night.
(phil.) the condition or quality of being ignorant; lack of spiritual knowledge, education, etc.; spiritual ignorance.
ಇರುಳಕಾಯಕ iruḷa kāyaka that work which is done or to be done at night; ಇರುಳುಕಂಡಭಾವಿಯಲ್ಲಿಹಗಲುಬೀಳು iruḷu kaṇḍa bhāviyalli hagalu bīḷu (prov.) to welcome something that is obviously dangerous.