Where does “periastro” come from?

periastro (Italian) comes from Italian astro, from Latin astrum, from Ancient Greek ἄστρον, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

periastro (Italian): periapsis

Definitions

  1. periapsis

Ancestry of “periastro”, step by step

StepLanguageWordMeaning
1Italianastrocelestial body, star; A person exceptionally...
2Latinastruma star
3Ancient GreekἄστρονA celestial body
4Ancient Greekἀστήρa celestial body; illustrious person; starfish
5Proto-Hellenicastḗrstar
6Proto-Indo-Europeanh₂stḗrstar
7Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “periastro

Every word from Proto-Indo-European h₂eHs-