The story
- Proto-Indo-European*wed-
- Proto-Indo-European*wódr̥
- Proto-Celtic*udenskyos
- Old Irishuisce
- Irishuisce
- Proto-Indo-European*gʷeyh₃-
- Proto-Indo-European*gʷih₃wós
- Proto-Celtic*biwos
- Proto-Celtic*biwotūts
- Old Irishbethu
- Irishbeatha
- Medieval Latinaqua vītae
- Irishuisce beatha
- Old Irishuisce
- Scottish Gaelicuisge
- Old Irishbethu
- Scottish Gaelicbeatha
- Medieval Latinaqua vītae
- Scottish Gaelicuisge-beatha
- Englishusquebaugh
- Englishusque
- Englishwhisky
- Proto-Indo-European*dʰeh₁-
- Proto-Italic*θakos
- English todaywhiskified
From whisky + -ify + -ed.
Etymology from Wiktionary, CC BY-SA 4.0.