This is the 1899th most frequent German word.
wesel
"Wesel" is not an actual German word; it is the name of a town in Germany.
Here, 'Wechsel' is used as a noun meaning 'change' or 'switch', referring to the transition from one weather condition to another.
Der Wechsel des Wetters war plötzlich.
The change in the weather was sudden.
'wechseln' is a verb here meaning 'to switch' or 'exchange', typically used in the context of currency or physical objects.
Ich möchte mein Geld wechseln.
I would like to exchange my money.
Again, 'wechseln' as a verb is used to describe the action of changing or switching, this time referring to academic courses.