letaliter

From lētālis (“lethal, deadly”) +‎ -ter.

• (Classical Latin) IPA^(key): [ɫɛˈta.lɪ.tɛr]
• (modern Italianate Ecclesiastical) IPA^(key): [leˈt̪aː.li.t̪er]

lētāliter (comparative lētālius, superlative lētālissimē)

1. lethally, mortally
   • 380 CE – 392 CE, Ammianus Marcellinus, Res Gestae 14.5:

     et quia languente dextera, letaliter ferire non potuit, iam districtum mucronem in proprium latus inpegit.

     (please add an English translation of this quotation)

   • c. 310 CE – c. 394 CE, Ausonius, Epigrammata Ausonii de diversis rebus 27:

     nec contenta ictos letaliter ire per artus, / coniungit mortes una sagitta duas.

     and not content to lethally drive its course through the stricken limbs, a single arrow deals two deaths at once.

• “letaliter”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• letaliter in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.