Where does “xá” come from?

xá (Tetum) comes from Portuguese chá, from Old Portuguese chãa, from Latin plāna, from Latin plānus, from Ancient Greek πλάνος, from Ancient Greek πλανάω, from Proto-Indo-European pl-néh₂-ti.

xá (Tetum): tea

Definitions

Ancestry of “xá”, step by step

Step	Language	Word	Meaning
1	Portuguese	chá	tea plant; tea; a late afternoon meal
2	Old Portuguese	chãa	—
3	Latin	plāna	smoothing plane
4	Latin	plānus	level, flat, even
5	Ancient Greek	πλάνος	wandering
6	Ancient Greek	πλανάω	to make to wander, lead wandering about; to lead...
7	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 →