Etymology
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linguine (n.)

by 1944, from Italian linguine, plural of linguina "little tongue," diminutive of lingua "tongue," from Latin lingua "tongue" (from PIE root *dnghu- "tongue").

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*dnghu- 

*dnghū-, Proto-Indo-European root meaning "tongue."

It forms all or part of: bilingual; language; languet; lingo; lingua franca; Linguaphone; linguiform; linguine; linguist; linguistics; multilingual; sublingual; tongue; trilingual.

It is the hypothetical source of/evidence for its existence is provided by: Latin lingua "tongue, speech, language" (from Old Latin dingua); Old Irish tenge, Welsh tafod, Lithuanian liežuvis, Old Church Slavonic jezyku "tongue;" Old English tunge "tongue; speech."

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