Where does “Gustav” come from?
Gustav (English) comes from Old Swedish Gøtstaf, from Old Norse Gautstafr, from Old Norse stafr, from Proto-Norse ᛋᛏᚼᛒᚼ, from Proto-Germanic stabaz, from Proto-Indo-European stebʰ- — to stand still; to harden.
Ancestry of “Gustav”, step by step