E. Ind. [ad. Urdū (Pers.) tahkhāna nether house.] In India, an underground chamber to which to retire during the heat of the day.

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1859.  Lang, Wand. India, 196. These walls are those of the ty-khana—a vault beneath the dwelling from which the light is excluded.

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1862.  Beveridge, Hist. India, III. IX. iv. 629. Their families found good shelter in the tykhanas, or underground rooms.

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1913.  Blackw. Mag., May, 687/2. Almost under our feet are the tykhanas.

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