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*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latindē-
- Proto-Indo-European*(s)pend-
- Proto-Indo-European*(s)pn̥d-éh₁ye-ti
- Proto-Italic*pendējō
- Proto-Italic*pendēō
- Latinpendeō
- Latindependeō
- Old Frenchdependre
- Middle Englishdependen
- Englishdepend
- Englishdependable
- English todayundependable
From un- + dependable.
Etymology from Wiktionary, CC BY-SA 4.0.