Where does “ทมิฬนาฑู” come from?

ทมิฬนาฑู (Thai) comes from Tamil தமிழ்நாடு, from Tamil தமிழ், from Old Tamil 𑀢𑀫𑀺𑀵𑁰 — Tamil.

Ancestry of “ทมิฬนาฑู”, step by step

StepLanguageWordMeaning
1Tamilதமிழ்நாடுthe Tamil speaking lands as a whole
2Tamilதமிழ்Tamil
3Old Tamil𑀢𑀫𑀺𑀵𑁰Tamil
Every word from Old Tamil 𑀢𑀫𑀺𑀵𑁰 →Every word from Tamil தமிழ் →Every word from Tamil தமிழ்நாடு →