lenisfortis
lenisfortis is a term sometimes used in linguistics to describe a phonological distinction between consonant sounds. The concept is related to the idea of voicing, where consonants are produced with vibration of the vocal cords (voiced) or without (voiceless). However, lenisfortis goes beyond a simple voiced/voiceless dichotomy.
In some theoretical frameworks, lenisfortis proposes a three-way distinction: fortis, lenis, and sometimes an intermediate category.
The application and universality of the lenisfortis distinction are debated among linguists. While it can be