Word Study
serpiginous
CIDE DICTIONARY
serpiginous, a. [Cf. F. serpigineux.].
Creeping; -- said of lesions which heal over one portion while continuing to advance at another. [1913 Webster]
OXFORD DICTIONARY
serpiginous, adj. (of a skin-disease etc.) creeping from one part to another.
Etymology
med.L serpigo -ginis ringworm f. L serpere creep
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