from
preposition
1. With the source or provenance of or at.
- This wine comes from France. I got a letter from my brother
2. With the origin, starting point or initial reference of or at.
- He had books piled from floor to ceiling. He left yesterday from Chicago. Face away from the wall!
3. (mathematics, now uncommon) Denoting a subtraction operation.
- 20 from 31 leaves 11.
4. With the separation, exclusion or differentiation of.
- An umbrella protects from the sun. He knows right from wrong.