adverb/ʒys.k‿u/
where to (to what place); how far (in distance); how far (to what extent)
“Jusqu'où va-t-on aller ?” — How far are we going to go?
Synonyms: vers où, jusqu'à quelle distance, à quel point, combien
Contraction of jusque in elided form jusqu' + où. Literally, “until where?”.