The story
- Proto-Indo-European*h₂el-
- Latinūls
- Latinultrā
- Englishultra-
- Proto-Indo-European*mey-der.?
- Ancient Greekμῑκρός (mīkrós)
- Proto-Indo-European*speḱ-
- Proto-Indo-European*spéḱyeti
- Proto-Hellenic*sképt͏̌omai
- Ancient Greekσκέπτομαι (sképtomai)
- Ancient Greekσκοπός (skopós)
- Ancient Greekσκοπέω (skopéō)
- Latinmīcroscopium
- Italianmicroscopio
- Englishmicroscope
- English todayultramicroscope
From ultra- + microscope.
Etymology from Wiktionary, CC BY-SA 4.0.