Etymology Explorer › English

Where does “hectokatal” come from?

hectokatal (English) comes from English katal, from Ancient Greek κατάλυσις, from Ancient Greek καταλύω, from Ancient Greek κᾰτᾰ-, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr — to be/become dry; to burn, to glow; hearth.

hectokatal (English): An SI unit of catalytic activity equal to 102...

Definitions

  1. An SI unit of catalytic activity equal to 102...

Ancestry of “hectokatal”, step by step

StepLanguageWordMeaning
1EnglishkatalIn the International System of Units, the derived...
2Ancient Greekκατάλυσιςdissolution, disbanding; lodging, quarters,...
3Ancient Greekκαταλύω"sense": loosen, unbind; "sense": destroy; I stay...
4Ancient Greekκᾰτᾰ-fully; down; denoting motion downwards
5Ancient Greekκατά
6Ancient Greekκαταστερίζωto place among the stars; I put among the stars
7Ancient Greekἀστήρa celestial body; illustrious person; starfish
8Proto-Hellenicastḗrstar
9Proto-Indo-Europeanh₂stḗrstar
10Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eHs- →