Definition of -trix in English:

-trix

suffix (plural -trices /trɪˈsiːz, ˈtrʌɪsiːz/ or -trixes)

  • (Chiefly in legal terms) forming feminine agent nouns corresponding to masculine nouns ending in -tor (such as executrix corresponding to executor).

Origin

from Latin.

Usage

The suffix -trix has been used since the 15th century to form feminine agent nouns corresponding to masculine forms ending in -tor. Although a wide variety of forms have been coined, few of them have ever had wide currency. In modern use the suffix is found chiefly in legal terms such as executrix, administratrix, and testatrix.

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