"sondern" and "aber" are both translations for "but". Today, we'll learn, what idea "sondern" expresses and what the difference is to "aber".
The core idea of this root was:
apart, separated, by oneself
It’s the origin of English asunder as well as the imports sans (without) and sin (without) as in chili sin carne.
On the German side, we have two very important offspring – sich and sondern.