biến thái

Etymology
, from, from. First used as an entomological term in publications by the, with later non-entomological applications in the broader zoology and botany. The narrower sense, "abnormal" is attested in Chinese works, such as those by, but the strictest sense, "abnormal sexual tendency," is from a contraction of. This may have been due to a reinterpretation of as a  meaning "strange," hence "strange state" rather than "change state." It was adopted into Vietnamese through the popularity of manga and anime. 🇨🇬 is also used as the name for "hardcore" manga/anime porn.

Verb

 * 1)  to