The Ancient picture is a type of "mark", probably of two sticks crossed to mark a place similar to the Egyptian hieroglyph of , a picture of two crossed sticks. This letter has the meanings of mark, sign or signature.
The Modern Hebrew, Arabic and Greek names for this letter is tav (or taw), a Hebrew word meaning, mark. Hebrew, Greek and Arabic agree that the sound for this letter is "t".
The early pictograph evolved into in the Middle Semitic script and continued to evolve into in the Late Semitic Script. From the middle Semitic script comes the Modern Hebrew ת. The Early Semitic script is the origin of the Greek letter T and the Latin T.