[dee-ley-bee-uh-luh-zey-shuh n]

noun Phonetics.

the result or process of delabializing.
the historical progression in which labial sounds delabialize, as the kw-sound in Latin words in quin- “five” becoming a k-sound as in Spanish quince “fifteen.”

Origin of delabialization

1905–10; de- + labializationlabialization Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019