v. Obs. [UNDER-1 8 a.] trans. To search into, to investigate; to learn.

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a. 1412[?].  Lydg., Two Merch., 351. And whan his freend the sothe gan vndirgrope of this myscheef. Ibid. (1412–20), Chron. Troy, IV. 4644. But he anon … Gan vndergrope, pleinly, what þei ment.

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1447.  Bokenham, Seyntys (Roxb.), 28. The secunde yer of the forseyd pope, As be cronyculers I vndyrgrope, Fel a ful greuows dissencyoun.

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1678.  Littleton, Lat. Dict., Subtento, to assay or try underhand, to under-grope.

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