English

lyoprotectant

From lyo- + protectant.

Proto-Indo-European *lewh₁- ‘to cut off, separate, free’

Ancient Greek λύω ‘to loosen, to dissolve’

English lyo-

Today it means

noun A substance added to something undergoing lyophilization in order to prevent damage.

Language periods are conventional ranges, not dates for this word.

Etymograph / lyoprotectant