der Köper
Translation
twill, twill weave
Examples
Jeansstoff ist oft ein Köper.
Denim fabric is often a twill.
Grammar Patterns
((der Köper)) twill Jeansstoff ist oft ein Köper.
Similar Words
Twill, Serge
Etymology
From Middle Low German 'köper', possibly related to 'Kupfer' (copper) due to the appearance of the weave.
Memory Tips
Think of the diagonal lines on your denim jeans. That specific weave is called 'Köper'.