deusain

Welsh

Etymology

deu- (“two”) +‎ sain (“sound”).

Pronunciation

• (North Wales) IPA^(key): /ˈdeɨ̯sai̯n/
• (South Wales) IPA^(key): /ˈdei̯sai̯n/

Noun

deusain f (plural deuseiniaid)

1. (phonetics) diphthong

Coordinate terms

• unsain (“monophthong”)
• trisain (“triphthong”)

Mutation

Welsh mutation
radical	soft	nasal	aspirate
deusain	ddeusain	neusain	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “deusain”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies