[antah-karana] neuter the internal organ (philosophical term); heart; -kopa, masculine internal anger; -pura, neuter (inner city), royal citadel; harem, women's apartments; singular and plural wives of a king: -kara, masculine harem-attendant, -gana, masculine women of the harem, -vriddhâ, feminine; also equal for old female attendant of the harem; -purikâ, feminine; also equal for woman of the harem; -prakriti, feminine; also equal for plural constituent elements of the state except the prince.
Source: Macdonell