Where does “monocristal” come from?

monocristal (Portuguese) comes from Portuguese cristal, from Old Portuguese cristal, from Latin crystallum, from Ancient Greek κρύσταλλος, from Ancient Greek κρύος, from Proto-Indo-European krews- — to form a crust, begin to freeze.

monocristal (Portuguese): monocrystal, single crystal

Definitions

monocrystal, single crystal

Ancestry of “monocristal”, step by step

Step	Language	Word	Meaning
1	Portuguese	cristal	crystal
2	Old Portuguese	cristal	—
3	Latin	crystallum	a crystal; a thing made from crystal; a gem or...
4	Ancient Greek	κρύσταλλος	ice; rock crystal
5	Ancient Greek	κρύος	cold, chilliness; frost; ice
6	Proto-Indo-European	krews-	to form a crust, begin to freeze

Every word from Proto-Indo-European krews- →Every word from Ancient Greek κρύος →Every word from Ancient Greek κρύσταλλος →