This is the 4047th most frequent German word.
windeln
To diaper or swaddle.
In this sentence, 'windeln' appears as a verb referring to the action of putting diapers on infants.
Der Kurs lehrt das richtige Windeln von Säuglingen.
The course teaches the proper diapering of infants.
Here, 'windeln' is used as a verb meaning 'to diaper' or 'to put a diaper on someone'.
Die Mutter windelt das Baby nach dem Baden.
The mother diapers the baby after bathing.
Here, 'Windel' is a noun meaning 'diaper', related to the act of using 'windeln'.