HALCYON

I. noun Etymology: Middle English alceon, from Latin ~, from Greek alkyōn, halkyōn Date: 14th century a bird identified with the kingfisher and held in ancient legend to nest at sea about the time of the winter solstice and to calm the waves during incubation, kingfisher , II. adjective Date: 1601 of or relating to the ~ or its nesting period, 2. calm , peaceful , happy , golden , prosperous , affluent