What does testātrīx mean in Latin?

testātrīx, a noun, means “a female testator; testatrix”.

What is the genitive of testātrīx?

The genitive singular is testātrīcis. testātrīx is feminine, third declension.

In classical Latin, [tɛsˈtaː.triːks]; in ecclesiastical (church) Latin, [tesˈtaː.triks].

noun · femininethird declension

testātrīx f (genitive testātrīcis, masculine testātor)

Classical[tɛsˈtaː.triːks]Ecclesiastical[tesˈtaː.triks]

testātrix, īcis, f. testator, II.,

I. she that makes a will or testament, a testatrix, Dig. 31, 1, 30; 31, 1, 35; 31, 1, 89 fin.; 36, 3, 18, § 1.

From testor, testātum (“to be witness, testify, attest; to make a will”, verb) + -trīx f (“-ess”, agentive suffix).