A neologism for “to split” coined by Gilruin on 2025-08-20 in the Vinyë Lambengolmor Discord Server (VLDS), derived from ᴹ√STAK of similar meaning. It replaced another of his neologisms thaetha-, which is problematic since one of the th should dissimilate from the other.
Noldorin
nestag-
verb. to insert, stick in
A verb in The Etymologies of the 1930s appearing in its Noldorin-style infinitive form nestegi “insert, stick in”, derived from ON. nestak- under the root ᴹ√STAK “split, insert” (Ety/STAK). As such, its unmutated stem would be ✱nestag-. Its initial prefix ne- is derived from ᴹ✶ndē̆- “in, inside” under the (deleted) root ᴹ√NĒ̆ (EtyAC/NĒ̆).