Where does “unlethal” come from?

unlethal (English) comes from English lethal, from Latin lētālis, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

unlethal (English): Not lethal

Definitions

  1. Not lethal

Ancestry of “unlethal”, step by step

unlethal traces back through two separate lines of ancestry.

via English lethal

StepLanguageWordMeaning
1EnglishlethalDeadly; mortal; fatal; Any weapon that causes...
2Latinlētālislethal, deadly, fatal, mortal
3Latin-ālis—
4Proto-Italic-ālisforms relational adjectives

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Italic -ālis →Every word from Latin -ālis →Every word from Latin lētālis →