to make into a non-labial sound

listen to the pronunciation of to make into a non-labial sound
الإنجليزية - الإنجليزية

تعريف to make into a non-labial sound في الإنجليزية الإنجليزية القاموس.

To make into a non-labial sound.
delabialize

the resulting labial vowels were soon delabialized into e and ē.