Kembayan, or Mateq (Mate'), is a Dayak language of Borneo.
Phonology +ConsonantsLabialAlveolarPalatalVelarGlottalPlosive Prenasalized () FricativeNasal Approximant, The phoneme /ᵐb/ is only attested in a single word that has likely been borrowed. +VowelsFrontCentralBackHigh Mid-high Mid-low Low
Additionally, the following diphthongs are attested: /ɨi/, /ai/, /oi/, /ia/, /ɨa/, /ua/, /io/, /ao/, /iu/, /au/, /ou/.
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