Where does “discrecional” come from?

discrecional (Catalan) comes from Catalan discreció, from Latin discrētiō, from Latin discernō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

discrecional (Catalan): discretionary

Definitions

discretionary

Ancestry of “discrecional”, step by step

Step	Language	Word	Meaning
1	Catalan	discreció	discretion
2	Latin	discrētiō	separation
3	Latin	discernō	to separate, set apart, divide, part
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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