English

Seconal

Blend of secondary + allyl; origin 1930s.

Proto-Indo-European *sekʷ- ‘to follow’

Proto-Italic *sekʷondo-

Latin secundus ‘following; second’

Latin secundārius ‘of the second class or quality’

Middle English secundarie ‘secondary’

Latin allium ‘garlic’

English allyl

Today it means

noun A barbiturate drug used as a sedative and hypnotic, a trade name of secobarbital.

Language periods are conventional ranges, not dates for this word.