dicio

Latin

From dīcere (“to say”) +‎ -iō.

diciō f (genitive diciōnis); third declension

military or political authority, power, control, rule
Synonyms: potestās, imperium, arbitrium, auctōritās, ductus
- 106 BCE – 43 BCE, Cicero, In Caecilium 66:
  Clarissimī virī nostrae cīvitātis temporibus optimīs hoc sibi amplissimum pulcherrimumque dūcēbant, ab hospitibus clientibusque suīs, ab exterīs nātiōnibus quae in amīcitiam populī Rōmānī diciōnemque essent, iniūriās prōpulsāre eōrumque fortūnās dēfendere.
  The most illustrious men of our country in its best days thought it honourable and excellent to protect guests and clients, who were from foreign nations who had come under the friendship and power of the Roman Republic, from injury and to preserve their prosperity.
sway, control
- 1126, Anselm Bury, abbot of Bury St Edmons, epistola :
  qua curia dulcius, quo sub rege honorabilius, quam in propria dicione vitam ducere?
  Under what court could it be sweeter, under what king could it be more honourable, than to live one's own life under one's own control?

“dicio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
“dicio”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
dicio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
- to reduce a country to subjection to oneself: terram suae dicionis facere
- to be subject to some one, under some one's dominion: sub imperio et dicione alicuius esse
- to be subject to some one, under some one's dominion: subiectum esse, obnoxium esse imperio or dicioni alicuius (not simply alicui)
- to be subject to some one, under some one's dominion: in potestate, in dicione alicuius esse