Where does “speculatio” come from?

speculatio (Late Latin) comes from Latin speculor, from Latin specula, from Latin spes, from Proto-Italic spēs, from Proto-Indo-European spéh₁s, from Proto-Indo-European speh₁- — to succeed, to prosper.

speculatio (Late Latin): watching, spying; inspection, scrutiny;...

Definitions

  1. watching, spying; inspection, scrutiny;...

Ancestry of “speculatio”, step by step

StepLanguageWordMeaning
1LatinspeculorI watch, I observe; I examine, I explore; I spy
2Latinspeculawatchtower, lookout; nominative plural of...
3Latinspeshope; expectation, anticipation, apprehension
4Proto-Italicspēshope
5Proto-Indo-Europeanspéh₁sprosperity, success
6Proto-Indo-Europeanspeh₁-to succeed, to prosper

Words derived from “speculatio

Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European spéh₁sEvery word from Proto-Italic spēs