1. An important derivative is: lucrative
重要派生词为： lucrative

2. Gain, profit.
收益, 利润.

3. Suffixed form *lau-no- . guerdon , from Old High German l?n , reward from Germanic *launam .
添加后缀的形式*lau-no- . guerdon , 源自 古高地德语 l?n , 奖赏源自 日耳曼语 *launam .

4. Suffixed zero-grade form *lu-tlo- . lucrative , lucre , from Latin lucrum , gain, profit.
添加后缀的零级形式 *lu-tlo- . lucrative , lucre , 源自 拉丁语 lucrum , 增益, 利润.

lau的词源：

5. Pokorny l3u- 655.
波科尔尼l3u- 655.