cycneus

== Latin == === Etymology === Borrowed from Ancient Greek κύκνειος (kúkneios). By surface analysis, cycnus (“swan”) +‎ -ēus. === Adjective === cycnēus (feminine cycnēa, neuter cycnēum); first/second-declension adjective Of or pertaining to swans. ==== Declension ==== First/second-declension adjective.