Old Irish
Family: Celtic
Region: Ireland
Time: 6th-10th century C.E.
Consonants
| Bilabial | Labio-dental | Dental | Alveolar | Velar | Glottal | |
| Voiceless stop | p pʲ | t tʲ | k kʲ | |||
| Voiced stop | b bʲ | d dʲ | ɡ ɡʲ | |||
| Voiceless fricative | f fʲ | θ θʲ | s sʲ | x xʲ | h hʲ | |
| Voiced fricative | β̃ β̃ʲ | v vʲ | ð ðʲ | ɣ ɣʲ | ||
| Nasal | m mʲ | n n̞ nʲ n̞ʲ | ||||
| Trill | r rʲ | |||||
| Tap | ɾ ɾʲ | |||||
| Lateral | l l̞ lʲ l̞ʲ |
Vowels
| Front | Central | Back | |
| High | i iː | u uː | |
| Mid | e eː | ə | o oː |
| Low | a aː |
Diphthongs
/ai/, /oi/, /ui/, /au/, /eu/, /iu/, /aːu/, /eːu/, /iːu/, /ia/, /ua/
Bibliography
Stifter, David. 2006. Sengoidelc: Old Irish for Beginners. Syracuse, New York: Syracuse University Press.
Thurneysen, Rudolf. 1980. A grammar of Old Irish. Dublin: Dublin Institute for advanced studies.
Author
Stefano Coretta