Where does “cham” come from?

cham (Macanese) comes from Portuguese chão, from Old Portuguese chão, from Latin plānus, from Ancient Greek πλάνος, from Ancient Greek πλανάω, from Proto-Indo-European pl-néh₂-ti.

cham (Macanese): soil; ground

Definitions

soil; ground

Ancestry of “cham”, step by step

Step	Language	Word	Meaning
1	Portuguese	chão	ground; floor; plain
2	Old Portuguese	chão	ground, floor; flatland, plain; flat, smooth
3	Latin	plānus	level, flat, even
4	Ancient Greek	πλάνος	wandering
5	Ancient Greek	πλανάω	to make to wander, lead wandering about; to lead...
6	Proto-Indo-European	pl-néh₂-ti	—

Every word from Proto-Indo-European pl-néh₂-ti →Every word from Ancient Greek πλανάω →Every word from Ancient Greek πλάνος →