Etymology
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whitlow (n.)
"inflammation on a finger or toe," mid-15c., alteration of whitflaw (c. 1400), from flaw, with first element possibly from Dutch vijt or Low German fit "abscess."
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paronychia (n.)

"inflammation beside a fingernail," 1590s, from Latin, from Greek paronykhia "whitlow," from para- "beside" (see para- (1)) + onyx "nail" (see nail (n.)) + abstract noun ending -ia.

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