The story
- Ancient Greekνᾶνος (nânos)
- Latinnānus
- Englishnano-
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰh₂nyéti
- Proto-Hellenic*pʰáňňō
- Ancient Greekφαίνω (phaínō)
- Ancient Greekφαινόμενον (phainómenon)
- Late Latinphaenomenon
- Englishphenomenon
- English todaynanophenomenon
From nano- + phenomenon.
Etymology from Wiktionary, CC BY-SA 4.0.