> as lemmas
omnilingual
omnilingual adj. 
/ˌɑmniˈlɪŋɡwəl/ [ < omni- comb. form + -lingual comb. form] speaking or understanding all or many languages.
Brit. /ˌɒmnᵻˈlɪŋɡw(ə)l/
, /ˌɒmnᵻˈlɪŋɡw(ə)l/U.S. /ˌɑmnəˈlɪŋɡwəl/
, /ˌɑmnəˈlɪŋɡwəl//ˌɑmniˈlɪŋɡwəl/ΘΚΠ
the mind > language > a language > using or speaking languages > [adjective] > multilingual
polyglot1650
many-languaged1655
pantoglossical1716
polyglottic1801
polyglottal1837
multilingual1838
polylingual1857
polyglottous1861
polyglotted1868
omnilingual1893
tongue-speaking1902
plurilingual1930
1893 T. B. Foreman Trip to Spain 59 Antonio is apparently omni-lingual.
1980 C. James in Observer 17 Aug. 40/4 Jeux sans frontières..is omnilingual yet inarticulate, multicoloured yet homogeneous..contrived yet banal.
1996 N. Baker Lumber in Size of Thoughts (1996) 252 We satisfy our craving for the emotions of intense study at second hand, by consuming gee-whiz stories about the omnilegent and omnilingual.
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as lemmas