This symbol is known as 'ankh'. Ankh is an ancient Egyptian hieroglyphic symbol that was most commonly used in writing & in Egyptian art to represent the word for "LIFE". i.e "key of life"

Mallattoon kun Aankii jedhama. Sirna barreeffama Ijibti durii keessatti kan argamuufi akka mallattoo jireenyaatti dhimma itti ba'u. Kanuma irraa ka'uun warri Ijibti durii "furtuu jireenyaa" jedhanii dhugeeffatu.

@Imaltuukaayyoo