Where does “disiĝo” come from?

disiĝo (Esperanto) comes from Esperanto dis-, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

disiĝo (Esperanto): departure, separation secession

Definitions

departure, separation secession

Ancestry of “disiĝo”, step by step

Step	Language	Word	Meaning
1	Esperanto	dis-	shows separation, dissemination, e.g. semi >...
2	Latin	dis-	asunder, apart, in two; reversal, removal;...
3	Latin	calceus	shoe
4	Latin	calx	limestone; chalk; the finish line
5	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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