Where does “guay” come from?

guay (Old Spanish) comes from Latin vae, from Proto-Italic wai, from Proto-Indo-European wai — oh!; woe!.

Ancestry of “guay”, step by step

guay traces back through two separate lines of ancestry.

via Latin vae

StepLanguageWordMeaning
1Latinvaewoe, alas
2Proto-Italicwaiwoe, alas
3Proto-Indo-Europeanwaioh!; woe!

via Gothic 𐍅𐌰𐌹

StepLanguageWordMeaning
1Gothic𐍅𐌰𐌹woe! alas!
2Proto-Germanicwaiwoe! alas!

Words derived from “guay

Every word from Proto-Indo-European waiEvery word from Proto-Italic waiEvery word from Latin vae