Where does “Августина” come from?

Августина (Russian) comes from Latin Augustina, from Latin Augustus, from Proto-Indo-European h₂ewg-, from Proto-Indo-European h₂weg-, from Proto-Indo-European h₂ug-.

Ancestry of “Августина”, step by step

Step	Language	Word	Meaning
1	Latin	Augustina	nominative feminine singular of Augustīnus;...
2	Latin	Augustus	venerable
3	Proto-Indo-European	h₂ewg-	to increase, to enlarge
4	Proto-Indo-European	h₂weg-	to increase, to enlarge
5	Proto-Indo-European	h₂ug-	—

Every word from Proto-Indo-European h₂ug- →