a. [UN-1 7 b.]

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  1.  That cannot be derived (from a source).

2

1640.  Torriano (title), The Italian Tutor, With an Alphabet of primative and originall Italian words, underiveable from the Latin.

3

1884.  trans. Lotze’s Logic, 24. Red and yellow seem to be still more essentially different and underivable one from the other.

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  2.  Not transferable. Obs.–1

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1643.  Prynne, Sov. Power Parl., III. 78. Whose personall Prerogatives … being incommunicable, underivable to any other, and peculiar to himself alone, he can transferre no such protection to others.

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