Hypertext Webster Gateway: "Linguistical"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Linguistic \Lin*guis"tic\ (l[i^][ng]*gw[i^]s"t[i^]k),
Linguistical \Lin*guis"tic*al\ (-t[i^]*kal), a. [Cf. F.
linguistique.]
Of or pertaining to language; relating to linguistics, or to
the affinities of languages.
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