Where does “-saurus” come from?

-saurus (New Latin) comes from Ancient Greek σαῦρος, from Ancient Greek σαύρα — lizard.

Ancestry of “-saurus”, step by step

StepLanguageWordMeaning
1Ancient GreekσαῦροςAlternative form of σαύρᾱ; horse mackerel
2Ancient Greekσαύραlizard

Words derived from “-saurus”

Every word from Ancient Greek σαύρα →Every word from Ancient Greek σαῦρος →