tao

noun2

1. •
   The art or skill of doing something in harmony with the essential nature of the thing.

   • the tao of sex... the tao of the heart... the tao of integuments...
2. •
   (no longer used, historical) Synonym of circuit: various administrative divisions of imperial and early Republican China.

noun1

1. •
   Initialism of thyroid-associated orbitopathy.