Etymology Explorer › English

Where does “autorefractor” come from?

autorefractor (English) comes from English refractor, from English refract, from Latin refractum, from Latin refractus, from Latin refringere, from Latin rĕ-, from Latin prōdūcō, from Latin prō- — passed , crossed.

autorefractor (English): An automated refractor used to prepare a...

Definitions

  1. An automated refractor used to prepare a...

Ancestry of “autorefractor”, step by step

StepLanguageWordMeaning
1EnglishrefractorA refracting telescope; anything which refracts...
2EnglishrefractTo change direction as a result of entering a...
3Latinrefractumnominative neuter singular of refrāctus;...
4Latinrefractusbroken up or open
5Latinrefringeresecond-person singular future passive indicative...
6Latinrĕ-—
7Latinprōdūcō—
8Latinprō-—
9Proto-Italic*pro-—
10Proto-Indo-Europeanpro-toward, forward
11Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
12Proto-Indo-Europeanper-before, in front; first; to go through
13Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →