[[PIE phonology MOC]]
# PIE velar labialisation
When adjacent to _*w_, _*u_, _*o_ velars exhibited labialisation and were hence indistinguishable from the labiovelars.
The convention is to transcribe both as velars since they are unmarked[^2017].

[^2017]: 2017\. [[Sources/@ringeProtoIndoEuropeanProtoGermanic2017|From Proto-Indo-European to Proto-Germanic]], p. 20

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