The story
- Proto-Indo-European*ís?
- Proto-Indo-European*h₁óynos
- Proto-Italic*oinos
- Proto-Italic*noinolos
- Latinnūllus
- Old Frenchnul
- Middle Frenchnu
- Englishnull
- Englishnulli-
- Ancient Greekχῖ (khî)
- Ancient Greekχῑᾰ́ζω (khīắzō)
- Ancient Greekχῑ́ασμα (khī́asma)
- New Latinchiasma
- Englishchiasma
- Englishchiasmatic
- English todaynullichiasmatic
From nulli- + chiasmatic.
Etymology from Wiktionary, CC BY-SA 4.0.