Udaina is an indirect Quranic name for girls that means little Adan (little Eden). Adan means place of everlasting bliss. It is derived from the AIN-D-N root which is used in many places in the Quran. BLANKENTER Udaina is also a name for boys if taken from the A-DHAL-N root, with meanings of listener, obedient.
Umaima is an indirect Quranic name for girls that comes from Umm (mother). It means little Umm, i.e. little mother, a loving nickname for a little girl, suggesting that one day she will grow up and be a mother. It is derived from the A-M-M root which is used in many places in the Quran.