Where does “descodificador” come from?

descodificador (Catalan) comes from Catalan descodificar, from Catalan des-, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

descodificador (Catalan): decoder

Definitions

decoder

Ancestry of “descodificador”, step by step

Step	Language	Word	Meaning
1	Catalan	descodificar	to decode
2	Catalan	des-	Indicates the negation of a verb; dis-, un-
3	Latin	dis-	asunder, apart, in two; reversal, removal;...
4	Latin	calceus	shoe
5	Latin	calx	limestone; chalk; the finish line
6	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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