Assertion: diphthong's vowel | /r/CapableOf | gain front
Facets:
value: before a velar consonant
type: OTHER
value: before /u/
type: TEMPORAL
Source sentences:
text: That is a prototypical example of the narrow sense of "vowel breaking" as described above: the original vowel breaks into a diphthong that assimilates to the following consonant, gaining a front /i/ before a palatal consonant and /u/ before a velar consonant.