Where does “autorefraction” come from?

autorefraction (English) comes from English refraction, from Latin refractio, from Latin refringo, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro- — passed , crossed.

autorefraction (English): ophthalmic examination by means of an...

Definitions

  1. ophthalmic examination by means of an...

Ancestry of “autorefraction”, step by step

autorefraction traces back through two separate lines of ancestry.

via English refraction

StepLanguageWordMeaning
1EnglishrefractionThe turning or bending of any wave, such as a...
2Latinrefractiorefraction
3LatinrefringoI break up or open; I refract
4Latinrĕ-back, backwards
5Latinprōdūcōto lead or bring forth, forward or out
6Latinprō-forward direction, forward movement
7Proto-Italic*pro-pro- see the Latin entry for further meanings
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

via English auto

StepLanguageWordMeaning
1EnglishautoClipping of automatic; An automobile; A setting...
2EnglishautomaticCapable of operating without external control or...
3Frenchautomatiqueautomatic
4Frenchautomateautomaton
5Ancient Greekαὐτόματονaccident, mere chance
6Ancient Greekαὐτόματοςself-willed, unbidden; self-moving,...
7Ancient Greekμέμααto wish eagerly, strive, yearn, desire
8Ancient Greekμέμοναto be minded or inclined; to be eager; to hasten
9Proto-Indo-Europeanmemóneto think, to be mindful; to remember
10Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin rĕ-