Where does “photoblocker” come from?

photoblocker (English) comes from English blocker, from German blocken, from German block, from Middle High German bloc, from Old High German bloc, from Proto-Germanic *blokk, from Proto-Germanic blukką, from Proto-Indo-European bhulg'- — thick plank, beam, pile, prop.

photoblocker (English): A substance that stops light

Definitions

  1. A substance that stops light

Ancestry of “photoblocker”, step by step

photoblocker traces back through two separate lines of ancestry.

via English blocker

StepLanguageWordMeaning
1EnglishblockerAgent noun of block; something that blocks...
2Germanblockento block
3Germanblockbloc
4Middle High Germanbloc
5Old High Germanblocblock
6Proto-Germanic*blokk
7Proto-Germanicblukkąblock, log
8Proto-Indo-Europeanbhulg'-
9Proto-Indo-Europeanbhelg'-thick plank, beam, pile, prop

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-
Every word from Proto-Indo-European bhelg'-