Where does “bustiar” come from?

bustiar (Catalan) comes from Catalan bústia, from Occitan bóstia, from Old French boiste, from Vulgar Latin buxita, from Latin buxis, from Latin pyxis, from Ancient Greek πυξίς, from Ancient Greek πύξος — box tree; boxwood.

bustiar (Catalan): to distribute (leaflets, catalogs, circulars, etc.) by placing directly in domestic letterboxes without sending through the post

Definitions

to distribute (leaflets, catalogs, circulars, etc.) by placing directly in domestic letterboxes without sending through the post

Ancestry of “bustiar”, step by step

Step	Language	Word	Meaning
1	Catalan	bústia	mailbox, letterbox
2	Occitan	bóstia	box container
3	Old French	boiste	box, container
4	Vulgar Latin	buxita	—
5	Latin	buxis	a box
6	Latin	pyxis	A small box, for holding medicines or toiletries
7	Ancient Greek	πυξίς	box made of boxwood, box; tablet made of boxwood;...
8	Ancient Greek	πύξος	box tree; boxwood

Every word from Ancient Greek πύξος →Every word from Ancient Greek πυξίς →Every word from Latin pyxis →