Where does “double-” come from?

double- (English) comes from Old French double, from Latin dūplus, from Proto-Italic *duplos — double.

double- (English): In the metric system, multiplies the attached unit by two

Definitions

  1. In the metric system, multiplies the attached unit by two

Ancestry of “double-”, step by step

StepLanguageWordMeaning
1Old Frenchdouble—
2Latindūplusdouble (twice as much, or as big)
3Proto-Italic*duplosdouble

Words derived from “double-”

Every word from Proto-Italic *duplos →