The story
- Proto-Indo-European*h₂eydʰ-
- Proto-Hellenic*áitʰō
- Ancient Greekαἴθω (aíthō)
- Ancient Greekᾱ̓ήρ (āḗr)influ.?
- Ancient Greekαἰθήρ (aithḗr)
- Proto-Indo-European*speḱ-
- Proto-Indo-European*spéḱyeti
- Proto-Hellenic*sképt͏̌omai
- Ancient Greekσκέπτομαι (sképtomai)
- Ancient Greekσκοπός (skopós)
- Ancient Greekσκοπέω (skopéō)
- English todayaethrioscope
From Ancient Greek αἰθήρ (aithḗr, “air; ether”) in combination with σκοπέω (skopéō, “examine, inspect”).
Words from the same roots
Ancient Greekαἰθήρ all →
ethanoletheraethereth-
Etymology from Wiktionary, CC BY-SA 4.0.