Universal 686:

Universal 686:

Original

When becoming a fricative or determining the place of articulation of adjacent fricatives by assimilation, [w] shows itself primarily as a labial.

Standardized

IF [w] becomes a fricative or determines the place of articulation of adjacent fricatives, THEN it shows itself primarily as a labial.

Keywords

fricative, labial, place of articulation

Domain

phonology

Type

no genuine implication; rather: provided that

Status

diachronic

Quality

statistical

Basis

languages in Ohala 1979

Source

Ohala 1979: 45

Counterexamples