- Proto-Indo-European
verbal stem *kup-(e)i- ('to tremble, desire'; cf. Old
Irish accobor 'desire',
Sanskrit prá-kupita- 'trembling, quaking', Old
Church Slavonic...
- *dubnos > *duvnah > *dovn >
domun "world" *adkubrom > *akkuvran > *akkovr >
accobor "wish, desire"
Voiceless obstruents,
including voiceless stops and voiceless...
