Where does “photocycloaddition” come from?

photocycloaddition (English) comes from English cycloaddition, from English cyclo-, from English cycle, from Catalan cicle, from Latin cyclus, from Ancient Greek κύκλος, from Proto-Indo-European kʷékʷlos, from Proto-Indo-European kʷel- — to turn.

photocycloaddition (English): Any intermolecular photochemical process leading...

Definitions

  1. Any intermolecular photochemical process leading...

Ancestry of “photocycloaddition”, step by step

StepLanguageWordMeaning
1EnglishcycloadditionAn addition reaction that leads to the formation...
2Englishcyclo-Circle, circular; A cyclic compound; Cyclone
3EnglishcycleAn interval of space or time in which one set of...
4Catalanciclecycle
5Latincyclusa circle; a cycle, recurring period; a branding...
6Ancient Greekκύκλοςcircle, ring; Any circular object, such as a...
7Proto-Indo-Europeankʷékʷloswheel; circle
8Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European kʷel-Every word from Proto-Indo-European kʷékʷlosEvery word from Ancient Greek κύκλος