The story
- Proto-Indo-European*per-
- Proto-Indo-European*preh₂-
- Proto-Hellenic*pərai
- Ancient Greekπᾰρᾰ́ (părắ)
- Ancient Greekπᾰρᾰ- (pără-)
- Englishpara-
- Proto-Indo-European*līnom
- Proto-Italic*līnom
- Latinlīnum
- Latinlīneus
- Latinlīnea
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinlīneāris
- Englishlinear
- Englishparalinear
- English todayparalinearity
From paralinear + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.