Where does “dilatandus” come from?

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

dilatandus (Latin): which is to be spread out, extended, dilated

Definitions

which is to be spread out, extended, dilated

Ancestry of “dilatandus”, step by step

Step	Language	Word	Meaning
1	Latin	dilato	I spread out, extend, dilate
2	Latin	differo	I carry different ways, spread, scatter,...
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 →