languages mentioned in Terentjev, includung Islandic, Old Irish, Old Breton (all Celtic), Spain (Romance), Modern Greek (Greek), Shugni-Rushan (Iranian) languages, e.g. Wakhi, and Jazguljami, Avestan (Iranian )
Cf. Gamkrelidze’s statement (#922): The presence of the voiced velar fricative phoneme in a system presupposes the simultaneous presence of the voiceless velar fricative.
Cf. Gamkrelidze’s statement (#922): The presence of the voiced velar fricative phoneme in a system presupposes the simultaneous presence of the voiceless velar fricative.