'acetin' originates from 'Latin', specifically the word 'acetum', where 'acet-' meant 'vinegar'.

'acetum' transformed into the French word 'acétine', and eventually became the modern English word 'acetin'.

Initially, it meant 'vinegar-related compound', but over time it evolved into its current meaning of 'a compound formed by the reaction of acetic acid with glycerol'.