Where does “guaitier” come from?

guaitier (Old French) comes from Old French gaitier, from Frankish wahtōn, from Frankish wahta, from Proto-Germanic wahtwō, from Proto-Germanic wakaną, from Proto-Indo-European weǵ- — lively, awake; strong.

Ancestry of “guaitier”, step by step

StepLanguageWordMeaning
1Old Frenchgaitierto watch; to survey
2Frankishwahtōnto survey; watch
3Frankishwahta—
4Proto-Germanicwahtwōwatch, vigil
5Proto-Germanicwakanąto wake, be awake, arise
6Proto-Indo-Europeanweǵ-lively, awake; strong
Every word from Proto-Indo-European weǵ- →Every word from Proto-Germanic wakaną →Every word from Proto-Germanic wahtwō →