sechseitige
Sechseitige is a German adjective meaning six-sided. It is used to describe shapes, surfaces, or figures that have six sides. The word is formed from sechs (six) and seitig (sided) and is most commonly encountered in technical, mathematical, or design contexts. In grammar, sechseitige is the feminine singular form used with a feminine noun in attributive position, as in die sechseitige Fläche. Other gender and number forms exist (for example, das sechseitige Polygon or der sechseitige Würfel), depending on the noun being described.
In practice, sechseitige is often interchangeable with related terms such as sechsseitig and sechseckig, though each
Etymology and usage notes: sechseitig is a compound of sechs and seitig; sechseitige is the feminine singular