Eternal or immortal
Amarian is a modern American coinage likely derived from the Latin 'amarantus', referring to the unfading flower, or influenced by the Arabic name Amari. It carries the connotation of something that is everlasting or enduring. Its rare usage gives it a distinctive, contemporary feel while retaining a sense of classical weight.
US births per 5-year period, 1990–present (SSA data).