This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A weakening of articulation causing a consonant to become lenis (soft).

"This means that, as in Latin, the distribution of primary /f/ was defective in Etruscan. see linkFirst, Dosuna observes the same p-lenition as I've mentioned many timed before on Paleoglot, minus the conditioning by u."

fortition   

lenite