Where does “descostillar” come from?

descostillar (Spanish) comes from Spanish Des-, from Old Spanish des-, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

descostillar (Spanish): to hit in the ribs; to fall and damage one's ribs

Definitions

to hit in the ribs; to fall and damage one's ribs

Ancestry of “descostillar”, step by step

Step	Language	Word	Meaning
1	Spanish	Des-	dis
2	Old Spanish	des-	—
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 →