Gaga
来自Big Physics
early 20th century: from French, ‘senile, a senile person’, reduplication based on gâteux, variant of gâteur, hospital slang in the sense ‘bed-wetter’.
wiktionary
From French gaga
gaga ( uncountable)
etymonline
gaga (adj.)
"crazy, silly," 1920, probably from French gaga "senile, foolish," probably imitative of meaningless babbling.
