Index Diachronica: involving /[-tone]/

to /[-tone]/

2 matches

29 Na-Dene29.1.1.1.15 Proto-Athabaskan to Upper KoyukonVˀ → V[+low tone] → V[-tone]
29.1.1.1.39 Proto-Athabaskan to Upper TananaVˀ → V[+low tone] (→ V[-tone] in “young speakers by 1980”)