This is the 14613th most frequent German word.
mehrwöchigen
"Mehrwöchigen" means "multi-week" or "lasting several weeks."
Here, 'mehrwöchigen' describes the duration of the journey, indicating multiple weeks.
Die Wanderung führte uns durch eine mehrwöchigen Reise durch die Alpen.
The hike led us through a multi-week journey through the Alps.
In this sentence, 'mehrwöchigen' specifies the length of the training period.
Der mehrwöchigen Ausbildungszeit folgte eine Zertifizierung.
The multi-week training period was followed by a certification.
'Mehrwöchigen' here qualifies the language course as lasting for multiple weeks.