to your health: used as a toast
Origin of skoalDanish and Norwegian skaal, a cup from Old Norse sk?l, bowl: for base see scale
Used as a drinking toast.
Origin of skoalDanishNorwegian skaal cup, skoal from Old Norse skāl bowl, drinking vessel ; see skel-1 in Indo-European roots.
From Nordic skÃ¥l, which is used for raising a toast and also means bowl. (That there is a relation to English "skull" is urban legend.)