Psi Greek Letter Meaning Meaning & Symbolism

Psi (Ψ ψ) is a letter of the Greek alphabet symbolizing the psyche — mind and soul. Greek letters escaped pure language centuries ago and now work as symbols in their own right.

Origin & History

The Psi Greek Letter Meaning (Ψ) comes from The Greek alphabet, adapted from Phoenician c. 800 BCE. In the Greek mystical and numerological tradition (isopsephy), every letter was also a number, so words could be summed into meanings — psi participated in that sacred arithmetic. Fraternities later adopted Ψ ψ for the values its sound and shape suggested.

Spiritual Meaning

In the Greek mystical and numerological tradition (isopsephy), every letter was also a number, so words could be summed into meanings — psi participated in that sacred arithmetic. Fraternities later adopted Ψ ψ for the values its sound and shape suggested.

Modern Usage

Today you meet Ψ ψ constantly: psychology’s symbol (Ψ), psi in quantum mechanics, parapsychology. It is also a staple of fraternity and sorority names, tattoo designs, and brand logos.