Where does “Leonine verse” come from?

Leonine verse (English) comes from English verse, from Middle English vers, from Old English fers, from Latin versus, from Latin vertō, from Proto-Italic wertō, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Leonine verse (English): A kind of medieval Latin verse, generally alternative hexameter and pentameter, with rhyming at the middle and end of a line (that is, internal rhyme); also, the form of such verse

Definitions

  1. A kind of medieval Latin verse, generally alternative hexameter and pentameter, with rhyming at the middle and end of a line (that is, internal rhyme); also, the form of such verse

Ancestry of “Leonine verse”, step by step

Leonine verse traces back through two separate lines of ancestry.

via English verse

StepLanguageWordMeaning
1EnglishverseA poetic form with regular meter and a fixed...
2Middle EnglishversA line or passage of a text or work; A larger...
3Old Englishfersverse; sentence, title
4Latinversusturned, changed, having been turned; towards,...
5Latinvertōto turn, turn oneself, direct one's way, to turn about, turn around, revolve
6Proto-Italicwertōto turn
7Proto-Indo-Europeanwert-to turn, to rotate
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via English leonine

StepLanguageWordMeaning
1EnglishleonineOf, pertaining to, or characteristic of a lion; A...
2Middle Englishleonin
3Latinleoninusleonine; of or pertaining to a lion
4Latin-īnusof or pertaining to; -ine
5Proto-Italic-īnosof/belonging to
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wert-Every word from Proto-Italic wertō