Where does “pirosfera” come from?

pirosfera (Italian) comes from English pyrosphere, from English sphere, from Middle English spere, from Old French sphere, from Latin sphēra, from Ancient Greek σφαῖρα, from Ancient Greek -ειδής, from Ancient Greek -ής — Creates action nouns or result nouns from verbs;...

pirosfera (Italian): pyrosphere

Definitions

  1. pyrosphere

Ancestry of “pirosfera”, step by step

pirosfera traces back through two separate lines of ancestry.

via English pyrosphere

StepLanguageWordMeaning
1EnglishpyrosphereThe zone of igneous activity and lava formation,...
2EnglishsphereA regular three-dimensional object in which every...
3Middle EnglishspereA spear or lance; The Lance of Longinus; A barb...
4Old Frenchspheresphere shape
5Latinsphēra
6Ancient Greekσφαῖραball, globe, sphere
7Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
8Ancient Greek-ήςadjective suffix
9Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
10Proto-Indo-European-ess
11Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Italian sfera

StepLanguageWordMeaning
1Italiansferasphere, ball, globe; scope, range
2Late LatinspheraAlternative form of sphaera
Every word from Proto-Indo-European -os