a. (UN-1 7 b.)

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1570.  Levins, Manip., 4/15. Vnsaylable, innauigabilis.

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1587.  Golding, De Mornay, vii. 102. Ye shall make the Sea for the most part vnsayleable.

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1627.  May, Lucan, V. H 8 b. Cæsar … findes The sea vnsaileable for dangerous windes.

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