Where does “Guillard” come from?

Guillard (English) comes from French Guillard, from Proto-Germanic *Wiljaharduz, from Proto-Germanic harduz, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

Ancestry of “Guillard”, step by step

StepLanguageWordMeaning
1FrenchGuillard
2Proto-Germanic*Wiljaharduz
3Proto-Germanicharduzhard; brave
4Proto-Indo-Europeankert-times; to weave, twist together; time
5Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Germanic harduz