a. (sb.) [f. LETT + -ISH.] Pertaining to the Letts or their language. Also absol. as sb., the language of the Letts.

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1831.  For. Q. Rev., VIII. 63. One of the most important personages of the ancient Lettish mythology.

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1841.  Latham, Eng. Lang., 3. The Livonian (or Lettish) of Livonia and of Courland.

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1842.  Prichard, Nat. Hist. Man, 183. These dialects are the Lettish, Lithuanian, and the Proper Pruthenian.

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1881.  Freeman, Hist. Geog. Eur., I. xi. 466, note. Lett, with the adjective Lettish, is the special name of one of the obscurer members of the family.

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1888.  King & Cookson, Sound & Inflex., ii. 34. The Baltic family contains the three divisions of Old Prussian, Lithuanian, and Lettish.

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