sert(i)-, n. Outcropping. Gender: B, Stems: /rtː/ <rtt> - /rt/ <rt> - /rð/ <rd>, Ablaut: /ɛ/ <e> - /ɛ/ <e> - /œ/ <ø>, Nominative singular: /sɛrtːa/ <sertta>, Accusative singular: /sɛrti/ <serti>, Allative singular: /sœrðiβɒ/ <sørdibå>