návtvou
návtvou is not recognized as a standard Czech word in dictionaries. It is most likely a misspelling or typographical variant of the instrumental singular form návštěvou, which comes from the noun návštěva meaning “visit.” The related noun is feminine: nominative návštěva; genitive návštěvy; dative návštěvě; accusative návštěvu; instrumental návštěvou; locative návštěvě.
The stem návštěv- derives from the verb navštívit, “to visit.” The instrumental form návštěvou is used to
In usage notes, the instrumental form is seen in constructions where the visit is the instrument or