English
catalysis
Catalysis comes from Ancient Greek κατάλυσις ‘dissolution’, and goes back to καταλύω.
- Ancient Greekc. 800–300 BCEκαταλύωkatalúō‘I dissolve’
- Ancient Greek, derivedc. 800–300 BCEκατάλυσιςkatálusis‘dissolution’
- Englishtodaycatalysis
attested reconstructed ? uncertain or disputed
Lineage
- Ancient Greekc. 800–300 BCEκαταλύωkatalúō‘I dissolve’
- Ancient Greek, derivedc. 800–300 BCEκατάλυσιςkatálusis‘dissolution’
- Englishtodaycatalysis
A compound of κατά ‘down’ + λύω ‘I loose’
Proto-Indo-European *ḱóm ‘beside, with’
Proto-Indo-European *ḱm̥-th₂
Proto-Hellenic *kətá
Ancient Greek κατά ‘down’
Proto-Indo-European *lewh₁- ‘to cut off, separate, free’
Ancient Greek λύω ‘I loose’
Every English word from Ancient Greek καταλύω
Today it means
noun The increase of the rate of a chemical reaction, induced by a catalyst.
Language periods are conventional ranges, not dates for this word.
Etymograph / Ancient Greek καταλύω / catalysis