Where does “Theobold” come from?

Theobold (English) comes from English Theobald, from Proto-Germanic *Þeudubalþ, from Proto-Germanic *balþ, from Proto-Germanic balþaz, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “Theobold”, step by step

StepLanguageWordMeaning
1EnglishTheobald—
2Proto-Germanic*Þeudubalþ—
3Proto-Germanic*balþ—
4Proto-Germanicbalþazstrong, bold
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Germanic balþaz →