Type Word Usage Ancient Greek Scripts ἶρις(Ancient Greek) Meaning & History Greek word meaning "rainbow". The genitive form is ἴριδος (iridos). Related ItemsDetails Given Name DescendantsIris(Catalan) Iris(Danish) Iris(Dutch) Iris(English) Iiris, Iris(Finnish) Iris(French) Iris(German) Irida, Iris(Greek) Iris(Greek Mythology) Íris(Icelandic) Iris(Italian) Iris(Norwegian) Íris(Portuguese) Iris(Slovene) Iris(Spanish) Iridián(Spanish (Mexican)) Iris(Swedish)