Where does “diffreithiant” come from?

diffreithiant (Welsh) comes from Welsh diffreithio, from English diffract, from Latin diffractus, from Latin diffringo, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

diffreithiant (Welsh): diffraction

Definitions

diffraction

Ancestry of “diffreithiant”, step by step

Step	Language	Word	Meaning
1	Welsh	diffreithio	to diffract
2	English	diffract	To cause diffraction; To undergo diffraction
3	Latin	diffractus	shattered
4	Latin	diffringo	I shatter
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 →