Where does “agresema” come from?

agresema (Esperanto) comes from Esperanto agresi, from Dutch agressie, from French agression, from Latin aggressio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

agresema (Esperanto): aggressive

Definitions

aggressive

Ancestry of “agresema”, step by step

Step	Language	Word	Meaning
1	Esperanto	agresi	to attack without provocation
2	Dutch	agressie	hostile, aggressive behaviour, aggression
3	French	agression	aggression
4	Latin	aggressio	advancing, approaching; approaching, addressing;...
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- →