Where does “Բայդեն” come from?

Բայդեն (Armenian) comes from English Biden, from Old French bouton, from Vulgar Latin *bautōnem, from Frankish *bautō, from Proto-Germanic *bautan.

Ancestry of “Բայդեն”, step by step

StepLanguageWordMeaning
1EnglishBiden—
2Old Frenchbouton—
3Vulgar Latin*bautōnem—
4Frankish*bautō—
5Proto-Germanic*bautan—
Every word from Proto-Germanic *bautan →Every word from Frankish *bautō →Every word from Vulgar Latin *bautōnem →