Kayo is a female name in Japanese. If you mean the succession of two particles 'ka' and 'yo' usually at the end of sentences, it would be meaning-wise matched to something around 'is that so?' in English.
its not Japanese
This is no word for a or the in Japanese.
What is Japanese for Grandpa
It is 'jinja' in Japanese. (Japanese: 神社)
It is not Japanese.
The name Kayo is of Japanese origin and typically means "child" or "son" in Japanese. It can also mean "increase" or "growth" in some contexts.
"Ingat po kayo" translates to "お気をつけてください" (oki o tsukete kudasai) in Japanese.
綿かよ? (wata ka yo?) means "Is this cotton?" in Japanese.
"Mahal ko kayo" in Ilocano is "Ay-ayaten kayo."
Kayo Hatta's birth name is Lori Kayo Hatta.
"Kayo" is a Japanese word that can mean "home run" in the context of baseball, or "knockout" in the context of combat sports like boxing or mixed martial arts. It is used to describe a powerful and decisive victory.
Kayo Hoshino was born in 1972.
Kayo Shekoni was born in 1964.
Kayo Dot was created in 2003.
KAYO - FM - was created in 2009.
Kayo Yamaguchi was born in 1899.
Kayo Yamaguchi died in 1984.