Etymology and origin of the Latin word obtestatio
- Confidence
- Established
- Formation
- Derivation
- First attested
- 81–43 BC, Cicero
- Ultimate origin
- Latin testis
Forms
obtestātiō f (genitive obtestātiōnis); third declension[1]
Etymology
It is from Latin obtestor (“to call to witness, implore”) + -tiō.[2][3][1][4] The verb is a compound of ob- and testor, which can be derived directly from testis (“witness”);[5] de Vaan explains the noun as “the third standing by”, from Proto-Italic *tri-sto/i-.[5]
Earliest recorded meaning
Its earliest uses are in Cicero, who in the speech for Balbus speaks of laws made binding by a solemn invocation and consecration.[2][6]
Semantic evolution
Festus defines it as calling a god to witness for good, as opposed to dētestātiō, for ill.[7][3] It meant a solemn oath or invocation, as in Livy's “they drew up an oath”,[2][6] and then an earnest entreaty or appeal: Cicero speaks of a husband's appeal in the Pro Cluentio, and Nepos, Livy and Tacitus use it of supplications, Tacitus of the senate stooping to the most abject entreaties.[2][8][6]
In British medieval sources it is an invocation of the divine name, a solemn charge with a warning or threat, and a warning.[9]
Timeline
- 81–43 BC – Cicero uses it of a solemn invocation and of an earnest appeal.[2][10]
- c. 100–24 BC – Nepos uses it of entreaty.[8][10]
- 59 BC–17 AD – Livy uses it of an oath and of supplications.[6][8][10]
- 98–115 AD – Tacitus speaks of abject entreaties.[6][10]
Meanings
Noun
- A calling to witness, solemn invocation; an oath.[2][7][6]
- An earnest entreaty, solemn appeal, adjuration.[2][1]
- (Medieval Latin) A solemn charge carrying a warning or threat; a warning.[9]
Usage notes
Festus contrasts it with dētestātiō, in which a god is called to witness for harm.[7][3]
References
- ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ Bianchi, Rossella; Lelli, Olga (2014), VOLI: Vocabolario di latino, Florence: Le Monnier
- ^ a b de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e f Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
- ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
- ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry
“Obtestatio.” Etymologically, 20 Oct. 2026, etymologically.com/la/obtestatio. Accessed 22 Oct. 2026.
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