The story
- Ancient Greek · derived fromπαράλλαξις“alteration”
- Middle French · derived fromparallaxe
- English todayparallax
From Middle French parallaxe, from Ancient Greek παράλλαξις (parállaxis, “alteration”) from παραλλάσσω (parallássō, “to cause to alternate”) from ἀλλάσσω (allássō, “to alter”) from ἄλλος (állos, “other”). See also para- and allo-.
Etymology from Wiktionary, CC BY-SA 4.0.