An act of containing, including withing itself.
Inherited from Ottoman Turkish احتوا (ihtivā, “a holding, taking, containing (within) itself”), from Arabic اِحْتِوَاء (iḥtiwāʔ), verbal noun of اِحْتَوَى (iḥtawā, “to contain”).
Practice speaking and memorizing "ihtiva" and many other words and sentences in Turkish.