natt(u)-, n. Boulder. Gender: B, Stems: /xtː/ <htt> - /tː/ <tt> - /t/ <t>, Ablaut: /a/ <a> - /a/ <a> - /ɛ/ <e>, Nominative singular: /naxtːa/ <nahtta>, Accusative singular: /natːi/ <natti>, Allative singular: /nɛtuβɒ/ <netubå>