When arranged as a cross (using TENET as the axis), the letters form a Latin cross (✝). The word PATER NOSTER ("Our Father") appears twice, using leftover A and O (Alpha and Omega). This suggests early Christians hid the Lord’s Prayer in the square to avoid persecution.
In 1926, researchers discovered that the 25 letters of the square can be perfectly rearranged into a cross shape spelling ("Our Father") twice, intersecting at the letter 'N'. The remaining letters consist of two 'A's and two 'O's, representing Alpha and Omega , the "beginning and the end" mentioned in the Book of Revelation. Magical and Protective Uses sator square meaning