From Japanese 華 (ka) "flower, petal, splendor" combined with 也 (ya) "to be (classical)". Also 佳(ka) "excellent, beautiful, good" combined with 弥 (ya) "all the more, increasingly"Kaya is also another name of torreya nucifera, the Japanese nutmeg-yew.
A variant of Kaia or Kaya, or an elaboration of KAYIn the American Girl line of dolls and books, Kaya is a young Nimiipuu, or Nez Perce, girl living in the pre-contact Northwest, and the only Native American doll made by American Girl to date. Her name is a diminutive of Kaya'aton'my', though a real Nez Perce girl at the time would not have gone by Kaya and that choice of nickname was likely chosen to appeal more to young readers. Themes in her core series focus on leadership, compassion, courage, and attachment; and she is depicted as brave and outgoing, but careless and thoughtless, and wants to be the leader of her people.
In Ghanaian it means "load, luggage, goods", perhaps derived from the earlier meaning of "sac", interpreted as a moneybag or testicles. A noted bearer is Kaya Maghan (c.350), a Soninke king of Wagadou and founder of the Cissé Tounkara dynasty which later dominated the Ghana Empire from the 8th century CE. In Zulu it means "dwelling, abode, home", from i-kaya.In Ugandan it means "cousin".In Kenya, Kaya refers to the sacred forest of the Mijikenda people. The kaya forest is considered to be an intrinsic source of ritual power and the origin of cultural identity