adverb
each, respectively, at a time
B1
“jeweils” means “each,” “respectively,” or “at a time,” used to assign quantities or correspondences (e.g., “jeweils zwei” = “two each,” or “A and B kosten jeweils 5€” = “A and B cost 5€ respectively”). It's an adverb; no auxiliary or special preposition; position varies for emphasis.
Examples
Er trinkt jeweils eine Tasse Kaffee am Morgen.
He drinks one cup of coffee at a time in the morning.
Wenn die Teams zusammenkamen, teilten sie die Aufgaben auf und trafen sich jeweils am Freitag, damit der Fortschritt überprüft werden konnte.
When the teams met, they divided the tasks and met each Friday so that the progress could be checked.
Die Aufgaben sind für die Gruppen A und B vorgesehen, jeweils für eine Woche.
The tasks are assigned to groups A and B, respectively for one week each.
Details
Mnemonics
picture items on a row with labels 'one, one, one' — each slot gets something — that's 'jeweils'
think 'jay-vyce' — imagine dividing things into equal shares (each)
Notes
'jeweils' is useful for indicating distribution (each) or pairing (respectively). It's common in schedules, instructions, and descriptions of repeated actions.