Where does “pro spere” come from?

pro spere (Old Latin) comes from Latin pro, from Proto-Indo-European pro-, from Proto-Indo-European por-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

pro spere (Old Latin): according to expectation

Definitions

  1. according to expectation

Ancestry of “pro spere”, step by step

pro spere traces back through two separate lines of ancestry.

via Latin pro

StepLanguageWordMeaning
1Latinpro+ "ablative"; for; on behalf of, in the interest...
2Proto-Indo-Europeanpro-toward, forward
3Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

via Latin spes

StepLanguageWordMeaning
1Latinspeshope; expectation, anticipation, apprehension
2Proto-Italicspēshope
3Proto-Indo-Europeanspéh₁sprosperity, success
4Proto-Indo-Europeanspeh₁-to succeed, to prosper

Words derived from “pro spere

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-