The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Proto-Indo-European*h₁ep-
- Proto-Indo-European*h₁éps
- Proto-Indo-European*h₁épi
- Proto-Indo-European*h₂wer-
- Latinoperiō
- Latincooperiō
- Latindiscooperīre
- Late Latindiscoperīre
- Old Frenchdescovrir
- Middle Englishdiscoveren
- Englishdiscover
- Englishdiscoverable
- English todayundiscoverable
From un- + discoverable.
Etymology from Wiktionary, CC BY-SA 4.0.