Where does “prorata” come from?

prorata (French) comes from Latin prō, from Latin ratus, from Latin rēōr, from Proto-Italic rēōr, from Proto-Indo-European h₂reh₁-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

prorata (French): proportion

Definitions

  1. proportion

Ancestry of “prorata”, step by step

prorata traces back through two separate lines of ancestry.

via Latin prō

StepLanguageWordMeaning
1Latinprōfor
2Latinratusconsidered, having been considered; established,...
3Latinrēōrto reckon, calculate
4Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
5Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
6Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via Latin prō ratā

StepLanguageWordMeaning
1Latinprō ratā
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Italic rēōr