Potential IPA key for PIE
Obstruents
| bilabial | coronal | palatal | velar | labiovelar | glottal |
|---|---|---|---|---|---|
| p p | t t | ḱ k | k q | kʷ qʷ | |
| b b | d d | ǵ g | g ɢ | gʷ ɢʷ | |
| bʰ bʱ | dʰ dʱ | ǵʰ gʱ | gʰ ɢʱ | gʷʰ ɢʷʱ | |
| s s ~ z ~ zʱ1 | h₂ χ | h₃ ɣʷ | h₁ h |
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Footnotes
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2017. From Proto-Indo-European to Proto-Germanic, p. 20 ↩