The story
- Proto-Indo-European*meh₂ḱ-
- Proto-Indo-European*mh₂ḱrós
- Proto-Hellenic*makrós
- Ancient Greekμᾰκρός (măkrós)
- Frenchmacro-
- Englishmacro-
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰh₂nyéti
- Proto-Hellenic*pʰáňňō
- Ancient Greekφαίνω (phaínō)
- Ancient Greekφαινόμενον (phainómenon)
- Late Latinphaenomenon
- Englishphenomenon
- English todaymacrophenomenon
From macro- + phenomenon.
Etymology from Wiktionary, CC BY-SA 4.0.