English
jejunosity
From jejune + -osity.
Formed from jejune + -osity
Proto-Indo-European *h₁yaǵ- ‘to sacrifice’
Proto-Indo-European *h₁yaǵ-yu-s
Proto-Italic *jagjūnos
Latin iēiūnus ‘fasting’
English jejune
Today it means
noun The state of being jejune; emptiness of substance or naïveté.
Language periods are conventional ranges, not dates for this word.
Etymograph / jejunosity