insisture

From insist +‎ -ure.

insisture (uncountable)

1. (obsolete, very rare) Fixedness; persistence; insistence.
   • c. 1602, William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene iii]:

     The heaven themselves, the planets and this centre
     Observe degree, priority, and place,
     Insisture, course, proportion, season, form,
     Office, and custom, in all line of order […]

   • 1953, A New Variorum Edition of Shakespeare (Horace Howard Furness), page 402:

     Valla explains insisture and course for the planets thus: "Cursus.) Quia modo celerius ire uidentur ob eccentri terrae proquinquitatem : modo tardius ob distantiam à terra : modo dirigi , cum sublimia petunt : modo repedare cum ambiunt epicyclum ..."

   • 1903, The Photographic News: A Weekly Record of the Progress, page 774:

     […] efforts by which, as in all past time[,] the serious workers have sought by their very insisture and strength to open new paths and roads afresh, […]

• “insisture”, in OneLook Dictionary Search.
• “insisture”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “insisture”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.: "A word of obscure use in Shakspere: taken variously in the sense of 'persistency, constancy' (Schmidt), 'regularity, or perhaps station' (Nares); perh. = 'steady continuance' in their path."

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