استفاده doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• استفادهُ Form 10

  10 استفادهُ ذ , (M, L, K,) and , (M, K,) [respecting which latter see 10 in art. فيد,] as also تقيّد, (K, [but this belongs to art. فيد only,]) He gained it, acquired it, or got it, for himself, namely, property [&c.]. (…

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• استفادهُ Form 10

  10 استفادهُ ذ (T, S, M, &c.) He gained it, acquired it, or got it, for himself, namely, property [&c.]; (T, * M, * Mgh, Msb, and L and K in art. فود;) and is syn. therewith, (S, M, A, Mgh, O, L, Msb, K,) as used by some,…

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