IPA: /ˌiːkwɪˈdɪstəntli/
KK: /ˌiːkwɪˈdɪstəntli/
In a way that is the same distance from two or more points.
The points on the line are arranged equidistantly from each other.
Equidistantly → It is formed from "equi-" (from Latin "aequus", meaning equal) and "distant" (from Latin "distantem", meaning standing apart) and the suffix "-ly" (meaning in a manner). The word "equidistantly" means in a manner that is equal in distance from two or more points.
Think of 'equal' ('equi-') distances from different points — that's what equidistantly means.