degeneration

de·gen·er·a·tion
UK: /dɪd‍ʒˌɛnəɹˈe‍ɪʃən/   US: /dɪˌdʒɛnɝˈeɪʃən/
nafnorð
  • úrkynjun, hnignun
  • afturför

Samheiti: decadence, decadency, degeneracy, devolution, retrogression