Siepen

Etymology
From, from the verb. Cognate with 🇨🇬, whence the alternative forms, and further with 🇨🇬.

Noun

 * 1)  a swampy gorge, a brook in a valley

Usage notes

 * In official toponyms the regional distribution of the forms is roughly as follows:
 * in Low German and Low Franconian areas, chiefly the and.
 * in the Central German parts of North Rhine-Westphalia (except ).
 * in other Central German areas.
 * Appellative use outside of purely local contexts is rare in Standard German, but it appears that the proper form is actually the least favoured, without doubt because of its homonymy with . German wikipedia uses  as lemma, which we follow here.