Where does “Lagly” come from?

Lagly (French) comes from French Agly, from Proto-Armenian agli, from Medieval Latin Aquilinum, from Latin aquilīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Lagly”, step by step

Lagly traces back through two separate lines of ancestry.

via French Agly

StepLanguageWordMeaning
1FrenchAgly
2Proto-Armenianagli
3Medieval LatinAquilinum
4LatinaquilīnusOf or pertaining to the eagle, aquiline
5Latin-īnusof or pertaining to; -ine
6Proto-Italic-īnosof/belonging to
7Proto-Indo-European-iHnosCreates adjectives of materials
8Proto-Indo-European-no-adjectival suffix

via French l’

StepLanguageWordMeaning
1Frenchl’the
Every word from Proto-Indo-European -no-Every word from Latin -īnusEvery word from Proto-Italic -īnos