Hellenical

If therefore the learned men above-mentioned mean only, that the Etruſcan language agrees with that firſt ſpoken in Greece, we readily ſubſcribe to their opinion; but, if they are to be underſtood of the later or Hellenical Greek, we muſt beg leave to diſſent from them. […] We ſay, more unmixed with ſtrangers than their neighbours; ſince the Etruſcans, in general, had had an intercourſe for ſome ages with the Romans and Hellenical Greeks, when Herodotus wrote his hiſtory.

Source: wiktionary

It is therefore eaſy to conceive, that the rude language of the ancient Pelaſgi was very different from the later or Hellenical Greek.

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The critical notes: these cannot be analysed; we will, however, offer a specimen or two.—Republic of Sparta, ch. xiii. 9. the text, [Greek text]. Leunclave translates by juveni quoque ac delecto ad pugnam ineundam permittitur ut, &c. M. Gail gives a learned note to prove the nonsense of this version; but, in fact, it requires no great hellenical skill to shew it must be wrong.

Source: wiktionary

The most illustrious of these was Lord Byron—a name not more esteemed in England, as that of one of the foremost of our poets, than it is in Greece, as that of one of the most devoted and enthusiastic of the “Franks,” to use a mediœval^([sic]) name, who, fired by the old Hellenical associations, sought to re-establish the ancient glory of a fallen race.

Source: wiktionary