Etymology Explorer › Latin

Where does “refractum” come from?

refractum (Latin) comes from Latin refractus, from Latin refringere, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro-, from Proto-Indo-European por- — passed , crossed.

refractum (Latin): nominative neuter singular of refrāctus;...

Definitions

  1. nominative neuter singular of refrāctus;...

Ancestry of “refractum”, step by step

StepLanguageWordMeaning
1Latinrefractusbroken up or open
2Latinrefringeresecond-person singular future passive indicative...
3Latinrĕ-—
4Latinprōdūcō—
5Latinprō-—
6Proto-Italic*pro-—
7Proto-Indo-Europeanpro-toward, forward
8Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “refractum”

  • refractive
  • refraction
  • refracting
  • refract
  • refractor
  • refractometer
  • photorefractive
  • refractivity
  • refractometry
  • photorefraction
  • keratorefractive
  • refractometric
  • nonrefractive
  • autorefraction
  • autorefractor
  • refractively
  • refractiveness
  • isorefractive
  • refractable
  • autorefractometer
  • refractometrically
  • autorefractive
  • autorefractometry
  • photorefractively
Every word from Proto-Indo-European pr̥tós →