Labiodental (lips and teeth) lower lip/upper teeth. A labiodental sound is produced by placing the upper teeth on the lower lip.

How are Linguo Labials formed?

Linguolabials are produced by constricting the airflow between the tongue and the upper lip. They are attested in a number of manners of articulation including stops, nasals, and fricatives, and can be produced with the tip of the tongue (apical), blade of the tongue (laminal), or the bottom of the tongue (sublaminal).

Is W a labial sound?

English /w/ is a voiced labialized velar approximant, which is far more common than the purely labial approximant [β̞].