The story
- Proto-Indo-European*wleykʷ-
- Proto-Indo-European*wlikʷéh₁yeti
- Proto-Italic*(w)likʷēō
- Latinliqueō
- Proto-Indo-European*dʰeh₁-
- Classical Latinliquidus
- Late Latinliquidō
- Late Latinliquidātu
- Englishliquidate
- Late Latinliquidō
- Italianliquidare
- Middle Frenchliquider
- Middle Frenchliquidation
- Englishliquidation
- RussianЛиквидаторство (Likvidatorstvo)
- English todayliquidationism
From liquidation + -ism. Calque of Russian Ликвидаторство (Likvidatorstvo). First attested in 1909.
Etymology from Wiktionary, CC BY-SA 4.0.