[kubanczyk]

> [10] - "komitanto", I don't even know what this word is supposed to mean in Polish.

In English "comitant": https://encyclopediaofmath.org/wiki/Comitant

[xyzzyz]

Ah, thanks. This is rather obsolete terminology, these days people tend to talk about "equivariant maps" ("przekształcenia przemienne z działaniem", "przekształenia niezmiennicze", or "przekształcenia ekwiwariantne"). I certainly never heard of it.