gelotology

Etymology

From Ancient Greek γέλωτος (gélōtos) (the genitive of γέλως (gélōs, “laughter”)) + English -logy (suffix denoting the study of a particular subject), coined by the anthropologist and linguist Edith Trager with participation from the American psychiatrist William F. Fry, Jr. (1924–2014) in March 1964.