Where does “postorder” come from?

postorder (English) comes from Swedish post, from German posten, from English post, from Middle French poste, from Italian posta, from Latin probāre, from Latin probō, from Latin Probus — passed , crossed.

postorder (English): Of a tree traversal, recursively visiting the...

Definitions

Of a tree traversal, recursively visiting the...

Ancestry of “postorder”, step by step

postorder traces back through 3 separate lines of ancestry.

via Swedish post

Step	Language	Word	Meaning
1	Swedish	post	postal office; an organization delivering mail...
2	German	posten	to post; inflection of posen: ##...
3	English	post	A long dowel or plank protruding from the ground;...
4	Middle French	poste	—
5	Italian	posta	mail, post; post office; stakes
6	Latin	probāre	—
7	Latin	probō	to approve, permit, commend
8	Latin	Probus	good, serviceable, excellent, superior, able
9	Proto-Indo-European	pro-bhwo-	being in front, prominent
10	Proto-Indo-European	pro-	toward, forward
11	Proto-Indo-European	por-	to give birth; forward, through; going, passage
12	Proto-Indo-European	per-	before, in front; first; to go through
13	Proto-Indo-European	pr̥tós	passed , crossed

via English order

Step	Language	Word	Meaning
1	English	order	Arrangement, disposition, or sequence; A position...
2	German	Ordnung	arrangement, regulation; classification, order,...
3	Middle High German	ordenunge	—
4	Old High German	ordinunga	—
5	Old High German	ordinōn	to put in order
6	Latin	ordino	I arrange, put in order, organize; I rule,...
7	Latin	ordo	a methodical series, arrangement, or order;...
8	Proto-Italic	ord-on-	row, order
9	Proto-Indo-European	h₂er-	to fit, to fix, to put together

via Dutch post

Step	Language	Word	Meaning
1	Dutch	post	Mail; A mail office, a post office; A location or...

Words derived from “postorder”

Every word from Proto-Indo-European pr̥tós →