This root is used in various contexts, including:
* Geography: Cis-alpine refers to areas on the Italian side of the Alps.
* Chemistry: Cis isomers in organic chemistry describe molecules with similar structures but different arrangements of atoms on the same side of a molecule.
* Gender: Cisgender refers to a person whose gender identity aligns with the sex they were assigned at birth.
So, when you see "cis" in a word, it usually indicates something that is on the same side or on the same plane as something else.