Originating from the Celtic traditions, it represents the three faces of the Great Mother, the creative energy of the universe, whose three sides are the Virgin, Mother and Crone. It also represented the seasons, which was formerlydivided into three phases, spring, summer and winter.
The triquetra, triquætra in Latin, is similar to a tríscele and can be interpretedas a representation of the infinite in three dimensions or eternity.
It was a very common symbol in Celtic civilization because of its enormouspower of protection. Found inscribed on rocks, helmets and armor for war, was interpreted as the interconnection and interpenetration of the physical, mental and spiritual.
The circle in the middle, like the pentagram, representing the perfection andprecision.
Plagiarized by Christianity, this symbol came to represent the Christian Trinity,the Father, Son and Holy Spirit.