Where does “procrastination” come from?

procrastination (Middle French) comes from Latin prōcrāstinātiō, from Latin prōcrāstinō, 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.

Ancestry of “procrastination”, step by step

StepLanguageWordMeaning
1Latinprōcrāstinātiōa putting off until tomorrow; procrastination
2Latinprōcrāstinōto put off until tomorrow; to defer, delay, procrastinate
3Latinprōfor
4Latinratusconsidered, having been considered; established,...
5Latinrēōrto reckon, calculate
6Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
7Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
8Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “procrastination

Every word from Proto-Indo-European h₂er-