Kathoey identity has existed for centuries and is rooted in Buddhist teachings that recognize three genders: male, female, and kathoey.
The traditional Thai term for transgender women and effeminate men is (pronounced "ka-toey"). lady boy tranny
The term is primarily an English translation of kathoey that gained prominence during the mid-20th century, largely through the growth of the Thai tourism and entertainment industries. A Guide to LGBTQ Identity Terms in Japanese - Tofugu Kathoey identity has existed for centuries and is