Word Study
sphragistics
CIDE DICTIONARY
sphragistics, n. [Gr. of or for sealing, fr. a seal.].
The science of seals, their history, age, distinctions, etc., esp. as verifying the age and genuiness of documents. [1913 Webster]
OXFORD DICTIONARY
sphragistics, n.pl. (also treated as sing.) the study of engraved seals.
Etymology
F sphragistique (n. & adj.) f. Gk sphragistikos f. sphragis seal
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