(иридо-, греч. iris, iridos радуга; ярко окрашенный кружок, радужка) составная часть сложных слов, означающая "относящийся к радужке".
"Free speech carries with it some freedom to listen." Warren E. Burger
"Honor is not the exclusive property of any political party." Herbert Hoover
"Hitch your wagon to a star." Ralph Waldo Emerson
"If fear is cultivated it will become stronger, if faith is cultivated it will achieve mastery." John Paul Jones