achate

noun

ach·​ate

ˈa-kət

variants or achates

ə-ˈkā-tēz 

plural achates

ˈa-kəts,

ə-ˈkā-tēz

: agate sense 1

Word History

Etymology

Middle English achate, from Old French, from Latin achates

First Known Use

13th century, in the meaning defined above

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