noun id·io·graph \-ˌgraf, -rȧf\

Definition of idiograph

  1. :  a mark or signature peculiar to an individual

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Origin and Etymology of idiograph

Late Greek idiographon autograph, from neuter of Greek idiographos specially written, in the author's handwriting, from idio- + -graphos (from graphein to write) — more at carve

Seen and Heard

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a rounded knoll or a ridge of ice

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