What does Csilla mean?
A Hungarian name from 'csillag' ('star'). It is often credited to the writer Andras Dugonics, who coined it from that word in an 1803 novel.
What does Aranka mean?
Hungarian name derived from 'arany' (gold), cognate in sense with Latin Aurelia ('golden'). Literal gold element. (An outlier 'eagle' gloss exists but is poorly supported.)