LATIN DICTIONARYLexicon Latīnum
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“risk” in Latin

The English word risk itself goes back to Latin secō, through resecō.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

risk
alea: periculum: discrimen (attended with danger): at my risk, meo periculo; meo Marte (☞ not meo proprio Marte). Risk of one’s life, vitae or mortis periculum (general term): vitae or salutis discrimen (dangerous situation in which one is placed, involving risk of life): capitis periculum or discrimen (when one is in danger of suffering capital punishment): at the risk of one’s life, cum capitis periculo: to run the risk of losing anything, de aliqua re in dubium venire (e.g., de civitate, Cic., Caecin., 7, 18): to run or incur the risk of one’s life, adire vitae or capitis periculum; mortis periculo se committere: to be at the risk of one’s life, in capitis or vitae periculum vocatum esse, ad mortis periculum adductum esse (of an accused person): in praecipiti esse (of a sick person). To run a risk, periculum subire; fortunae se committere.
risk
aliquid in aleam dare: ire in aleam alicujus rei (to peril or risk anything): aliquid audere (to dare anything): periculum alicujus rei or in aliqua re facere; aliquid tentare, experiri, periclitari (to try one’s luck in a dangerous business). (The words are found in this connection and order.) experiri et periclitari: one’s life, committere se periculo mortis: adire vitae or mortis periculum: to risk one’s life on anybody’s behalf, vitae or capitis periculum pro aliquo subire; inferre se in periculum capitis atque in vitae discrimen pro aliquo; vitae dimicationem subire pro aliquo: not to refuse to risk one’s life for anybody, pro aliquo vitae dimicationem non profugere.

Quick answer

What is the Latin word for risk?
The usual Latin words for “risk” are ālea, perīculum, discrīmen; also vīta, experior, perīclitor. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.