LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

testātiō

testātiō f (genitive testātiōnis)

Meaning

  1. testifying

Declension

declension
formsingularplural
nominativetestātiōtestātiōnēs
genitivetestātiōnistestātiōnum
dativetestātiōnītestātiōnibus
accusativetestātiōnemtestātiōnēs
ablativetestātiōnetestātiōnibus
vocativetestātiōtestātiōnēs

testātĭo, ōnis. f. testor.
I. A bearing witness (whether orally or in writing), a giving testimony, attesting, testifying (not in Cic., but cf. testificatio), Dig. 22, 4, 4; 3, 2, 21; 48, 19, 9; 48, 10, 1; Quint. 5, 7, 32; 5, 13, 49; 12, 3, 5 al.—
II. A calling to witness, invoking as witness: inter foederum ruptorum testationem, i.e. during an invocation of the gods as witnesses, Liv. 8, 6, 3 (cf. id. 8, 6, 1).

Origins

Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin testātiō From testor + -tiō.

Quick answers

What does testātiō mean in Latin?
testātiō, a noun, means “testifying”.
What is the genitive of testātiō?
The genitive singular is testātiōnis. testātiō is feminine, third declension.