Where does “autokeratorefractometer” come from?

autokeratorefractometer (English) comes from English keratorefractometer, from English refractometer, from English refract, from Latin refractum, from Latin refractus, from Latin refringere, from Latin rĕ-, from Latin prōdūcō — passed , crossed.

autokeratorefractometer (English): An automated keratorefractometer

Definitions

  1. An automated keratorefractometer

Ancestry of “autokeratorefractometer”, step by step

autokeratorefractometer traces back through two separate lines of ancestry.

via English keratorefractometer

StepLanguageWordMeaning
1EnglishkeratorefractometerAn optical device that measures refraction of the cornea
2EnglishrefractometerAn optical instrument used to measure the...
3EnglishrefractTo change direction as a result of entering a...
4Latinrefractumnominative neuter singular of refrāctus;...
5Latinrefractusbroken up or open
6Latinrefringeresecond-person singular future passive indicative...
7Latinrĕ-back, backwards
8Latinprōdūcōto lead or bring forth, forward or out
9Latinprō-forward direction, forward movement
10Proto-Italic*pro-pro- see the Latin entry for further meanings
11Proto-Indo-Europeanpro-toward, forward
12Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
13Proto-Indo-Europeanper-before, in front; first; to go through
14Proto-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 pr̥tós