Where does “unpredictable” come from?

Unpredictable derives from English predict, from Latin dicere meaning "to say," ultimately from Proto-Indo-European deyḱ- meaning "to show or point," with the prefix un- negating the sense.

unpredictable (English): Unable to be predicted; An unpredictable thing

Definitions

  1. Unable to be predicted; An unpredictable thing

Ancestry of “unpredictable”, step by step

StepLanguageWordMeaning
1EnglishpredictableAble to be predicted
2EnglishpredictTo make a prediction: to forecast, foretell, or...
3Frenchprédireto predict, foretell
4Italianpredicareto preach
5Spanishpredicarto preach
6Latinpraedicōto proclaim, declare publicly
7Latindīcōto say, talk, speak, utter, mention
8Latin-tiōtion, -ation, -ing
9Latindissertātiō(spoken) dissertation, discourse, disquisition
10Latindissertusarranged, disposed; explained
11Latindissereresecond-person singular future passive indicative...
12Latindis-asunder, apart, in two; reversal, removal;...
13Latincalceusshoe
14Latincalxlimestone; chalk; the finish line
15Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “unpredictable

Every word from Ancient Greek χάλιξ