Definition from Wiktionary, the free dictionary
See also: Appendix:Variations of "ot"
от-, ото- (ot-, oto-)
- Only use от- when the subject moves away from the object of interest, still remaining within a sight range.
- Я отошла от неё.
- I walked away from her. (I was standing next to her, but then took a few steps away from her, still being able to see her in the same room or space.)
- Я ушла от неё.
- I walked away from her. (I was in the same room or space with her, but then left her where she was and went to a different place.)