The term "Taekook" wasn't created at a specific point in time. It emerged organically as a fan-made ship name for the K-pop duo V and Jungkook from the group BTS.
Fans began pairing the two members together based on their close bond and interactions, leading to the creation of the ship name "Taekook." This name combines the first syllables of their real names, Taehyung (V) and Jungkook.
While the exact date of its origin is unknown, "Taekook" gained significant popularity in the BTS fandom around 2016-2017. The ship name gained traction as fans noticed the strong connection and chemistry between the two members, both on and off stage.
It's important to remember that "Taekook" is a fan-created concept and should be treated with respect. It's a way for fans to express their appreciation for the duo's relationship and to enjoy their interactions.