Where does “Chlamydia” come from?

Chlamydia (New Latin) comes from Ancient Greek χλαμύδιον, from Ancient Greek χλαμύς, from Ancient Greek σαῦρος, from Ancient Greek σαύρα — lizard.

Ancestry of “Chlamydia”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	χλαμύδιον	small cloak
2	Ancient Greek	χλαμύς	cloak, robe, mantle
3	Ancient Greek	σαῦρος	Alternative form of σαύρᾱ; horse mackerel
4	Ancient Greek	σαύρα	lizard