Definitions
cherima: something that comes from the dark; something that appears unexpectedly or from an unknown source.
Translation
To give thanks for something that came out of the dark, is to thank the one who brought it.
Application
When we receive a benefit or blessing, we should remember and appreciate those through whom it came. This proverb reminds us that many of the good things we enjoy are made possible by the efforts of others, all of whom deserve our gratitude.