thitherto

enUK

thith·er·to

T0172800 (thĭth′ər-to͞o′, thĭth′-)adv. Up to that time; until then.

thitherto

(ˌðɪðəˈtuː; ˈðɪðəˌtuː) advobsolete or formal until that time

thith•er•to

(ˌθɪð ərˈtu, ˌðɪð-, ˈθɪð ərˌtu, ˈðɪð-)

adv. up to that time; until then. [1400–50]