What is the meaning of Quo?

quoth

Paired with quid, in reference to the phrase quid pro quo (“this for that”): something given in exchange for something else.

which

what

whither, whereto, where

to or in which place, whither, where

to what end, for what purpose, wherefore, why

replaces ut when there is a comparative in the subordinate clause of purpose: to the end that, in order that, so that, that

ablative masculine/neuter singular of quī

ablative masculine/neuter singular of quī

ablative masculine/feminine/neuter singular of quis

alternative form of who (“who”, nominative)

alternative form of co

Source: wiktionary.org