variants: or phaco- or phak- or phako-

Definition of phac-

1 : lentil : thing shaped like a lentil Phacochoerus phacolith Phacops
2a : lens phacometer
b : crystalline lens of the eye phakoma

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History and Etymology for phac-

Greek phak-, phako-, from phakos lentil, object shaped like a lentil, mole, wart

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something valued as if it were money

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