Where does “thereon” come from?
Thereon comes from English on, Japanese 音読み, Japanese 音 meaning "sound," Proto-Indo-European wen-, terp-, trep-, terp-, and aukw-.
thereon (English): on that
Ancestry of “thereon”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old English | þæron | — |
| 2 | Old English | on | on, in, at, among; from |
| 3 | Proto-West Germanic | ana | on |
| 4 | Proto-Germanic | *an | — |
| 5 | Proto-Germanic | ana | on, at; on, onto; ana |
| 6 | Proto-Indo-European | h₂en- | on, onto |