Latin word frigiditas comes from Latin frigidus, Latin -ius

Detailed word origin of frigiditas

Dictionary entry	Language	Definition
frigidus	Latin (lat)	(figuratively) dull, flat, insipid, trivial, vain. (figuratively) indifferent, feeble. Cold, cool, chilling.
-ius	Latin (lat)	Genitive suffix for some irregular pronouns. Forming adjectives from nouns.
frigiditas	Latin (lat)	The cold.

Words with the same origin as frigiditas