Graphemes: s
Classes: voiceless alveolar fricative
Implicit classes: obstruent consonant C
Features -voice coronal -sonorant +continuant +strident
Related rules
Development: Ancient Greek
grk-lenition-of-s: s > h / #_![-sonorant,-continuant], s > h / V_V, s > h / _R, s > h / R_Development: Latin
lat-sm-cluster: sm > m / #_, Vsm > [+long]m