Where does “photosphere” come from?

Photosphere derives from Ancient Greek φωτω- (phōtō-), from φῶς (phôs), from φᾰ́ος (pháos) meaning light, ultimately from Proto-Indo-European bʰeh₂- meaning to shine.

photosphere (English): A visible surface layer of a star, and especially...

Definitions

  1. A visible surface layer of a star, and especially...

Ancestry of “photosphere”, step by step

photosphere traces back through two separate lines of ancestry.

via English sphere

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

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-

Words derived from “photosphere

Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek σφαῖρα