noun
Colloquial noun for something false or made up, often used in contexts like rumors, news, or products. Frequently appears in compounds such as がせねた (fake news/story).
See also: がせねた
その情報はがせだった。
That information turned out to be fake.
ネットにがせねたを流す人がいる。
There are people who spread fake stories online.
The origin is uncertain. It may be related to the verb がせる (to deceive) or a contraction of がせもの (fake thing), but the exact derivation is unclear.