N. oll n. “torrent, mountain-stream” (Category: Brook, Stream, River)
A noun in The Etymologies of the 1930s glossed “torrent, mountain-stream” derived from primitive ᴹ✶ulda (Ety/ULU), where the o became u via a-affection and the ld became ll as usual.
Reference ✧ Ety/ULU ✧ “torrent, mountain-stream”
Derivations
Phonetic Developments
| ᴹ✶ulda > old > oll | [ulda] > [ulða] > [olða] > [olð] > [oll] | ✧ Ety/ULU |