Type Word Usage Old Celtic (Hypothetical) Meaning & History Celtic word meaning "battle, carnage" [1]. Related ItemsDetails Given Name DescendantsAgrona(Celtic Mythology) Aeron, Aerona, Aeronwy(Welsh) Place Name DescendantAeron(Welsh) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 28.