Literature Reference: 恒，久也；欢，乐也。—— 《说文解字》 Heng means enduring; Huan means joy. Source from 'Shuowen Jiezi'.
恒: Eternity, unwavering perseverance.
欢: Joy, delight. In names, it often signifies bringing happiness and bliss to others, a character bestowed by the heavens as a symbol of great fortune.
Meaning: Enduring happiness and joy.