The sources checked record no meaning for Kapuki as a name.
Playful
Cute
Brown, White, Black, Gold
Small
Unisex
Others
K
6 Letters
A Kashubian feminine given name
The Cocopah, Native Americans of Baja California, Mexico, and Arizona
Anglicized form of the Irish name Caoilfhionn, from caol (slender) and fionn (fair)