Where does “parallax” come from?

Parallax comes from Middle French parallaxe, from Ancient Greek παράλλαξις, derived from παραλλάσσω meaning to alternate or change, from ἀλλάσσω to change, ultimately from ἄλλος meaning other or different.

parallax (English): An apparent shift in the position of two...

Definitions

  1. An apparent shift in the position of two...

Ancestry of “parallax”, step by step

StepLanguageWordMeaning
1Middle Frenchparallaxeparallax
2Latinparallaxisparallax
3Ancient Greekπαράλλαξιςalternation; alternating motion; change,...
4Ancient Greekπαραλλάσσωto cause to alternate
5Ancient Greekἀλλάσσωto change, alter, make other than it is; to give...
6Ancient Greekἄλλοςother, another, different, else; in combination...
7Ancient GreekκρίνωTo separate, divide, part, distinguish between...
8Proto-Hellenickríňňō
9Proto-Indo-Europeankrinyéti
10Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European krey-Every word from Proto-Indo-European krinyétiEvery word from Proto-Hellenic kríňňō
parallax — Etymology, Origin & Word History | Etymology Explorer