tkavými
The term "tkavými" is a Czech word, specifically the instrumental plural form of the adjective "tkavý". This adjective translates to "weaving" or "textile" in English. Therefore, "tkavými" refers to things or materials that are related to weaving or textiles. It is commonly used in contexts discussing the properties, processes, or products of weaving.
For example, "tkavými vlákny" would mean "with weaving fibers" or "by textile fibers." Similarly, "tkavými technikami"