Meaning

noun an acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian)

originEtymology tree Proto-Austronesian *qaləp Proto-Austronesian *qaləpan Proto-Malayo-Polynesian *qaləpan Proto-Oceanic *qalopan Proto-Polynesian *qarofa Hawaiian alohabor. English aloha Borrowed from Hawaiian aloha (“love”), from Proto-Polynesian *qarofa. Doublet of aroha and aropa.

Etymology from Wiktionary, CC BY-SA 3.0