English
juniority
From junior + -ity.
Formed from junior + -ity
Proto-Indo-European *h₂ey- ‘vital force’
…
Proto-Italic *juwō ‘young’
Latin iuvenis ‘young’
Latin iuvenior ‘younger’
Latin junior
English junior
Today it means
noun The quality or state of being junior.
Language periods are conventional ranges, not dates for this word.
Etymograph / juniority