Where does “cateto” come from?

cateto (Portuguese) comes from Latin cathetus, from Ancient Greek κάθετος, from Ancient Greek καθίημι, from Ancient Greek κᾰτᾰ-, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr — to be/become dry; to burn, to glow; hearth.

cateto (Portuguese): leg (of a triangle)

Definitions

  1. leg (of a triangle)

Ancestry of “cateto”, step by step

StepLanguageWordMeaning
1Latincathetus
2Ancient Greekκάθετοςperpendicular
3Ancient Greekκαθίημιto descend, let down; to let down, descend
4Ancient Greekκᾰτᾰ-fully; down; denoting motion downwards
5Ancient Greekκατά
6Ancient Greekκαταστερίζωto place among the stars; I put among the stars
7Ancient Greekἀστήρa celestial body; illustrious person; starfish
8Proto-Hellenicastḗrstar
9Proto-Indo-Europeanh₂stḗrstar
10Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Hellenic astḗr