Why was clemency trending last week?
1580s, from Italian canto "song," from Latin cantus "song" (see chant (v.)). As "a section of a long poem," used in Italian by Dante, in English first by Spenser.
A round, inning, period, or other division of a contest: Lefty got decked in the third canto
[1910+ Sports; fr Italian, ''song,'' with reference to the 100 poetic divisions of Dante's Divina commedia]