Where does “foursquare” come from?

foursquare (English) comes from English square, from Middle English square, from Old French esquarre, from Vulgar Latin exquadra, from Latin ex, from Latin commūnicō, from Latin commūnis, from Old Latin com(m)oinis — resin.

foursquare (English): Having four equal sides; square; Solid, robust;...

Definitions

Having four equal sides; square; Solid, robust;...

Ancestry of “foursquare”, step by step

foursquare traces back through 3 separate lines of ancestry.

via English square

Step	Language	Word	Meaning
1	English	square	A polygon with four sides of equal length and...
2	Middle English	square	A square tool used to ensure a right angle
3	Old French	esquarre	square
4	Vulgar Latin	exquadra	—
5	Latin	ex	A name of the letter "X"; out of, from
6	Latin	commūnicō	to impart, share
7	Latin	commūnis	common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
8	Old Latin	com(m)oinis	—
9	Proto-Italic	kommoinis	common
10	Proto-Indo-European	ḱom-moy-ni-	held in common
11	Proto-Indo-European	ḱóm	beside, near, by, with
12	Proto-Indo-European	ḱe	Deictic particle, here; Post-positional...
13	Middle English	kyt	—
14	German	kitt	putty certain kinds of cement used for fixing e.g. window panes
15	Old High German	kuti	—
16	Proto-West Germanic	kwidu	gum, resin
17	Proto-Germanic	kweduz	resin

via English four

Step	Language	Word	Meaning
1	English	four	A numerical value equal to 4; the number after...
2	Middle English	four	four
3	Old English	fēower	four
4	Proto-West Germanic	feuwar	four
5	Proto-Germanic	fedwōr	four
6	Indo-European	*kʷetwṓr	—

via English four square

Step	Language	Word	Meaning
1	English	four square	A sport played by four players where players have...

Words derived from “foursquare”

Every word from Proto-Germanic kweduz →Every word from Proto-West Germanic kwidu →Every word from Old High German kuti →