Where does “photodisk” come from?

photodisk (English) comes from English photo, from English photography, from French photographie, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-.

photodisk (English): The circular area of an astronomical object that...

Definitions

  1. The circular area of an astronomical object that...

Ancestry of “photodisk”, step by step

photodisk traces back through two separate lines of ancestry.

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-

via English disk

StepLanguageWordMeaning
1EnglishdiskA thin, flat, circular plate or similar object;...
2Ancient Greekδίσκοςquoit, disc; dish, trencher; round mirror
3Ancient Greekδικέωto hurl, to launch
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Ancient Greek φωτο-