Where does “unpredicable” come from?

unpredicable (English) comes from English predicable, from Spanish predicar, from Latin praedicō, from Latin dīcō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

unpredicable (English): Not predicable

Definitions

Not predicable

Ancestry of “unpredicable”, step by step

unpredicable traces back through two separate lines of ancestry.

via English predicable

Step	Language	Word	Meaning
1	English	predicable	Capable of being predicated or affirmed of...
2	Spanish	predicar	to preach
3	Latin	praedicō	to proclaim, declare publicly
4	Latin	dīcō	to say, talk, speak, utter, mention
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via English un

Step	Language	Word	Meaning
1	English	un	One

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →