Where does “lyoprotective” come from?

lyoprotective (English) comes from English lyo-, from Ancient Greek λύω, from Proto-Indo-European lewH- — louse.

Ancestry of “lyoprotective”, step by step

StepLanguageWordMeaning
1Englishlyo-solvent, dissolving, dispersion; freeze-drying
2Ancient GreekλύωI loose, loosen, untie; slacken; unbend
3Proto-Indo-EuropeanlewH-louse
Every word from Proto-Indo-European lewH- →Every word from Ancient Greek λύω →Every word from English lyo- →