Where does “empezoñar” come from?

empezoñar (Galician) comes from Galician pezoña, from Old Portuguese poçõya, from Vulgar Latin potionea, from Latin pōtiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

empezoñar (Galician): to poison

Definitions

to poison

Ancestry of “empezoñar”, step by step

Step	Language	Word	Meaning
1	Galician	pezoña	poison
2	Old Portuguese	poçõya	—
3	Vulgar Latin	potionea	—
4	Latin	pōtiō	drinking
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

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