English word caldarchaeol comes from English archaeol

Detailed word origin of caldarchaeol

Dictionary entry	Language	Definition
archaeol	English (eng)	(organic compound) Di-O-phytanylglycerol, a double ether of sn-1-glycerol where positions 2 and 3 are bound to phytanyl residues.
caldarchaeol	English (eng)	(organic compound) A membrane-spanning lipid found in hyperthermophilic archaea; dibiphytanyldiglycerol tetraether.