Morpheme
-ix
Type
suffix
Denotation
Latin feminine nominative singular noun suffix (oblique stem -ic- + plural -es)
Etymology
Latin -ix
Evidence
administratrix, administratrixes, animatrix, animatrixes, appendix, auctrix, executrix, executrixes, janitrix, janitrixes, matrix, matrix, obstetrix, radix, sculptrix, solicitrix, varix
Notes
many words ending in -trix come from (1) t-final base + -(o)r + -ix or (2) -ate + -(o)r + -ix