Where does “cryptogam” come from?

cryptogam (English) comes from Ancient Greek κρυπτός, from Ancient Greek κρύπτω, from Proto-Indo-European krāu-.

cryptogam (English): Any plant that reproduces using spores (rather than seeds), formerly placed in the taxonomic group Cryptogamae, which included ferns, mosses, algae, fungi, lichens and liverworts

Definitions

Any plant that reproduces using spores (rather than seeds), formerly placed in the taxonomic group Cryptogamae, which included ferns, mosses, algae, fungi, lichens and liverworts

Ancestry of “cryptogam”, step by step

cryptogam traces back through two separate lines of ancestry.

via Ancient Greek κρυπτός

Step	Language	Word	Meaning
1	Ancient Greek	κρυπτός	concealed, hidden, secret
2	Ancient Greek	κρύπτω	to hide, cover; to conceal, obscure
3	Proto-Indo-European	krāu-	—

via Ancient Greek γαμέω

Step	Language	Word	Meaning
1	Ancient Greek	γαμέω	I marry; I give myself in marriage; I get a...
2	Proto-Indo-European	ǵem-	to marry

Words derived from “cryptogam”

Every word from Proto-Indo-European krāu- →Every word from Ancient Greek κρύπτω →Every word from Ancient Greek κρυπτός →