Where does “undiagnosed” come from?
Undiagnosed derives from English diagnose with the prefix un-, ultimately traceable through Latin unus and Proto-Indo-European óynos, ano-, ne, and h₂ent-.
undiagnosed (English): That had not been diagnosed
Definitions
- That had not been diagnosed
Ancestry of “undiagnosed”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | Un- | — |
| 2 | Middle English | un- | — |
| 3 | Old English | un- | negation or absence of: un-, non-; bad; forms... |
| 4 | Proto-West Germanic | un- | not, un- |
| 5 | Proto-Germanic | un- | not, un- |
| 6 | Proto-Indo-European | n̥- | not, un- |
| 7 | Proto-Indo-European | ne | not |