Etymology Explorer › English

Where does “autorefractometry” come from?

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

autorefractometry (English): The use of an autorefractometer

Definitions

  1. The use of an autorefractometer

Ancestry of “autorefractometry”, step by step

StepLanguageWordMeaning
1EnglishautorefractometerA device that uses infrared light to measure the...
2EnglishrefractionThe turning or bending of any wave, such as a...
3Latinrefractiorefraction
4LatinrefringoI break up or open; I refract
5Latinrĕ-—
6Latinprōdūcō—
7Latinprō-—
8Proto-Italic*pro-—
9Proto-Indo-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →