Where does “quo” come from?

quo (Ido) comes from Ido qua, from French qui, from Middle French qui, from Old French qui, from Latin quī, from Latin -cumque, from Latin cumque, from Latin cum — resin.

quo (Ido): which; what

Definitions

which; what

Ancestry of “quo”, step by step

Step	Language	Word	Meaning
1	Ido	qua	which; who; what
2	French	qui	who, whom; who, whom , which, that; if
3	Middle French	qui	who; which
4	Old French	qui	who
5	Latin	quī	—
6	Latin	-cumque	Used to derive indefinite adjectives, adverbs and...
7	Latin	cumque	however, whenever, howsoever, whensoever
8	Latin	cum	with, along with; at; -fold
9	Old Latin	com	Alternative form of cum
10	Proto-Italic	kom	with, along, at
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	—
15	Old High German	kuti	—
16	Proto-West Germanic	kwidu	gum, resin
17	Proto-Germanic	kweduz	resin

Every word from Proto-Germanic kweduz →