Where does “meirdreach” come from?

meirdreach (Irish) comes from Old Irish mertrech, from Latin meretrīx, from Latin -trīx, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

meirdreach (Irish): prostitute

Definitions

prostitute

Ancestry of “meirdreach”, step by step

Step	Language	Word	Meaning
1	Old Irish	mertrech	—
2	Latin	meretrīx	a female prostitute or courtesan
3	Latin	-trīx	ess, -ress, -trix
4	Latin	calx	limestone; chalk; the finish line
5	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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