achate

noun
ach·​ate | \ ˈa-kət\
variants: or achates \ ə-​ˈkā-​tēz How to pronounce achates (audio) \
plural achates\ ˈa-​kəts , ə-​ˈkā-​tēz \

Definition of achate

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First Known Use of achate

13th century, in the meaning defined above

History and Etymology for achate

Middle English achate, from Old French, from Latin achates

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The first known use of achate was in the 13th century

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