Meaning

noun the starting place for each hole on a golf course

noun support holding a football on end and above the ground preparatory to the kickoff

noun a short peg put into the ground to hold a golf ball off the ground

origin* From Middle English, from Old English te, from Latin tē (the name of the letter T). * (computing): By analogy with a T-shaped pipe that sends fluids in two directions.

Etymology from Wiktionary, CC BY-SA 3.0