Islamic concepts

Iʿtikāf – spiritual retreat

عِتِكَاف
noun
ALA-LC iʿtikāf
IPA ˈʔɪʕtɪkææf

Iʿtikāf is a voluntary period of retreat in a mosque for a certain number of days. It is most common during the month of Ramaḍān, especially the last 10 days.