6 Afro-Asiatic | 6.2.1.1.1 Proto-Agaw to Awngi | {x,ɢ}(ʷ) → ∅ / at word boundaries
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{x,ɢ}(ʷ) → ɣ(ʷ)
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6.2.1.1.2 Proto-Agaw to Blin | {x,ɢ}(ʷ) → ∅ / at word boundaries
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6.2.1.1.3 Proto-Agaw to Kemantney | {x,ɢ}(ʷ) → ∅ / at word boundaries
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xʷ ɢʷ → w ɣʷ
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6.2.1.1.4 Proto-Agaw to Xamtanga | {xʷ,ɢʷ} → ∅ / at word boundaries
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{xʷ,ɢʷ} → w / else
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12 Northwest Caucasian | 12.2 Proto-Northwest Caucasian to Proto-Circassian | xʷ → x(ʷ)
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12.2.1 Proto-Circassian to Adyghe | xʷ χʲ → f~ɸ? ħ
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12.3 Proto-Northwest Caucasian to Ubykh | kʷː xʷ → ɡʷ x
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17 Indo-European | 17.12.1 Proto-Italic to Proto-Latino-Falsican | xʷ → f
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xʷ → {w,ɡʷ}
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28 Muskogean | 28.1 Proto-Muskogean to Proto-Eastern Muskogean | xʷ → f
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28.2 Proto-Muskogean to Proto-Western Muskogean | xʷ → h / %_{o,i}(C)#
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28.2.1 Proto-Western Muskogean to Chickasaw | xʷɬ → ɬː
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28.2.2 Proto-Western Muskogean to Choctaw | xʷ → h / V_V
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29 Na-Dene | 29.1.1 Proto-Athabaskan-Eyak to Proto-Athabaskan | x xʷ → {xʲ,j} {ʂ,ʐ}
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29.1.1.1.13 Proto-Athabaskan to Hupa | {qʷ,xʷ} qʷʼ ɢʷ ɣʷ → x(ʷ) q(ʷ)ʼ ɢ(ʷ) w
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29.1.2 Proto-Athabaskan-Eyak to Eyak | $ → xʷ → {x,s}
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29.2 Proto-Na-Dene to Tlingit | x(ʷ) → x
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37 Siouan-Iroquoian | 37.1.2.2.1 Huron to Wyandot | xʷ → w
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38 Tai-Kadai | 38.1.1.1 Proto-Tai to Ahom | xʷ Kʷ → {kʰ,x} K(ʷ)
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38.1.1.3 Proto-Tai to Central Tai | xʷ ɣʷ → kʷʰ {v,w}
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38.1.1.4 Proto-Tai to North Tai | xr x {x,ɣ}ʷ → r̥ h {w,v,h}
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38.1.1.5.1 Southwest Tai to Lao | xʷ ɣʷ → kʷ ɡʷ
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38.1.1.5.3 Southwest Tai to Shan | xʷ → kʷ
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38.1.1.5.4 Southwest Tai to Siamese | xʷ ɣʷ → kʷ ɡʷ
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38.1.1.5.5 Southwest Tai to Black Tai | xʷ ɣʷ → kʷ ɡʷ
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45 Yuman-Cochimı́ | 45.1.2 Proto-Pai to Paipai | xʷ → w / tʃ_
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kʷ xʷ → k x / _#
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45.1.3 Proto-Pai to Tipai | kʷ xʷ → q χ / _# (the paper calls these “back velars”)
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