Where does “promesa” come from?

promesa (Bikol Central) comes from Spanish promesa, from Vulgar Latin promissa, from Latin prōmissum, from Latin promissus, from Latin prōmittō, from Latin prō, from Latin ratus, from Latin rēōr — to fit, to fix, to put together.

Ancestry of “promesa”, step by step

StepLanguageWordMeaning
1Spanishpromesapromise
2Vulgar Latinpromissapromise
3Latinprōmissumpromise
4Latinpromissuspromised
5Latinprōmittōto send forth
6Latinprōfor
7Latinratusconsidered, having been considered; established,...
8Latinrēōrto reckon, calculate
9Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
10Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Italic rēōr