English
labialization
From labialize + -ation or labial + -ization.
Formed from labialize + -ation
Proto-Indo-European *leb- ‘to hang loosely’
Proto-Indo-European *l̥b-yóm
Proto-Italic *labjom
Latin labium ‘lip’
English labialize
Today it means
noun A secondary articulatory feature of usually consonants that involves the contraction or rounding of the lips (labia) during pronunciation.
Language periods are conventional ranges, not dates for this word.
Etymograph / labialization