Etymology Explorer › English

Where does “patent” come from?

Patent comes from Middle English patent, from Middle French patent, from Latin patens, ultimately from Proto-Indo-European pete-, meaning to spread or stretch open.

patent (English): A declaration issued by a government agency...

Definitions

  1. A declaration issued by a government agency...

Ancestry of “patent”, step by step

StepLanguageWordMeaning
1Middle EnglishpatentA letter conferring a privilege or status; Such a...
2Middle Frenchpatent—
3Old Frenchpatent—
4Latinpatēns—
5Latinpateō—
6Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “patent”

  • patently
  • patentee
  • patency
  • patentable
  • patentability
  • unpatentable
  • prepatent
  • nonpatent
  • unpatentability
  • patentably
  • nonpatentable
  • patentholder
  • nonpatentability
  • subpatent
  • patentlike
  • antipatent
  • patentor
  • patentless
  • repatent
  • patentese
  • biopatent
Every word from Proto-Indo-European peth₂- →