An acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian) WordNet 3.0 & Open English WordNet

Ciao is an informal salutation in the Italian language that is used for both "hello" and "goodbye". Wikipedia

Aloha is the Hawaiian word for love, affection, peace, compassion and mercy, that is commonly used as a simple greeting but has a deeper cultural and spiritual significance to native Hawaiians, for whom the term is used to define a force that holds together existence. Wikipedia

Informal Italian verbal salutation or greeting. Wikipedia Disambiguation

Word in the Hawaiian language for love, affection, peace, compassion and mercy. Wikipedia Disambiguation

Hawaiian word Wikidata

Salutation of Italian origin Wikidata

Expressing good wishes when greeting or parting from someone; hello; goodbye. Wiktionary

A greeting or farewell using the word "ciao". Wiktionary