fortition

[ fawr-tish-uh n ]
/ fɔrˈtɪʃ ən /

noun

Phonetics. a phonological process that strengthens consonant articulation at the beginnings of syllables, causing devoicing or the formation of stops.
Linguistics. a type of Celtic mutation that derives historically from phonological fortition.

Origin of fortition

fort(is) + -ition, on the model of lenition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019