Where does “indisponibilidade” come from?

indisponibilidade (Portuguese) comes from Portuguese disponibilidade, from Portuguese disponível, from Latin disponibilis, from Latin dispono, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

indisponibilidade (Portuguese): unavailability

Definitions

unavailability

Ancestry of “indisponibilidade”, step by step

Step	Language	Word	Meaning
1	Portuguese	disponibilidade	availability
2	Portuguese	disponível	available, obtainable
3	Latin	disponibilis	available, at one's disposal
4	Latin	dispono	I dispose, distribute or arrange
5	Latin	dis-	asunder, apart, in two; reversal, removal;...
6	Latin	calceus	shoe
7	Latin	calx	limestone; chalk; the finish line
8	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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