letalis
Letalis is a Latin adjective meaning deadly or lethal. It is formed from the noun letum, meaning death, with the adjectival suffix -alis. In classical and medieval Latin, letalis describes things that cause death or are capable of causing death, and in modern scientific Latin it appears in borrowed phrases and taxonomic epithets to convey lethality or fatality.
In English-language scholarship, letalis is typically encountered only as a Latin loanword or within Latin phrases,
In other contexts, Letalis may be used as a proper name or title in fiction or branding,