labor of love
Work done for one's satisfaction rather than monetary reward. For example, The research took three years but it was a labor of love. This expression appears twice in the New Testament (Hebrews 6:10, Thessalonians 1:3), referring to those who do God's work as a labor of love. [c. 1600]
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |