The story
- Proto-Indo-European*wed-
- Proto-Indo-European*wódr̥
- Proto-Hellenic*údōr
- Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
- Ancient Greekῠ̔δρο- (hŭdro-)
- Englishhydro-
- Proto-Indo-European*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latindē-
- Englishde-
- Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
- Aramaicכוחלא (kuḥlā)
- Arabicكُحْل (kuḥl)
- Andalusian Arabicكُحُول (kuḥūl)
- Medieval Latinalcoho
- Middle Englishalcofol
- Englishalc(ohol)
- Proto-Indo-European*swel-der.?
- Ancient Greekῡ̔́λη (hū́lē)
- Englishalkyl
- Englishalkylation
- Englishdealkylation
- English todayhydrodealkylation
From hydro- + dealkylation.
Etymology from Wiktionary, CC BY-SA 4.0.