From Sino-Korean 聖 (seong) meaning "holy, sacred", 誠 (seong) meaning "sincere, honest, true" or 成 (seong) meaning "completed, finished, succeeded" combined with 源 (won) meaning "source, origin" or 元 (won) meaning "first, origin". Other hanja combinations can form this name as well.
indicate the level to which a name has been verified.