Where does “epistellar” come from?

epistellar (English) comes from English epi, from English epithelial, from English epithelium, from New Latin epithēlium, from Ancient Greek ἐπί, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər — to be hot; to burn.

epistellar (English): Of a gas giant: having a close orbit to its...

Definitions

  1. Of a gas giant: having a close orbit to its...

Ancestry of “epistellar”, step by step

epistellar traces back through two separate lines of ancestry.

via English epi

StepLanguageWordMeaning
1EnglishepiA syringe or autoinjector filled with...
2EnglishepithelialOf or pertaining to the epithelium
3EnglishepitheliumA membranous tissue composed of one or more...
4New Latinepithēlium
5Ancient Greekἐπίas well, besides; For usage in composition, see...
6Ancient GreekἩμέρα
7Ancient Greekἦμαρday; by day; midday
8Proto-Hellenicā́mərday
9Proto-Indo-Europeanh₂eh₃mr̥heat
10Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via English stellar

StepLanguageWordMeaning
1EnglishstellarOf, pertaining to, or characteristic of stars;...
2LatinstellarisOf or pertaining to a star; stellar, starry
3Latinstēllaa star; a constellation
4Proto-Italicstērolāstar
5Proto-Indo-Europeanh₂stḗrstar
6Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eh₃-