Derived from the Chinese character 源 (yuán) meaning "headspring; source; root" or 淵 (yuān) meaning "abyss; deep; deep water" or 元 (yuán) meaning "head; chief; first; primary" or 遠 (yuǎn) meaning "distant; far; remote" or 缘 (yuán) meaning "edge; to climb up; to ascend; cause". It can also be the combination of Yu and An 1.Other characters combinations are also possible.
From Japanese 結 (yu) meaning "tie, fasten, join, organize", 癒 (yu) meaning "get well, recover", 優 (yu) meaning "gentleness, lithe, superior", 悠 (yu) meaning "distant, leisurely", 柚 (yu) meaning "grapefruit, pomelo, citrus fruit", 由 (yu) meaning "cause, reason" or 夕 (yu) meaning "evening" combined with 杏 (an) meaning "apricot", 安 (an) meaning "calm, peaceful", 晏 (an) meaning "peaceful, quiet" or 闇 (an) meaning "dark, darkness". Other kanji combinations are possible.