What word has kst in the middle, in the beginning, and at the end?

Some words are linguistic marvels, capable of fulfilling surprising conditions within their structure. Consider the word "inkstand," a perfect answer to a common word puzzle. This single word cleverly contains the letter sequence "kst" not just once, but appearing at what can be considered the beginning, the middle, and the end of the word itself. The "kst" is embedded in the initial letters, forms a central part of its composition, and also extends into the word's concluding segment, making it a unique example of such a pattern.

An inkstand itself is a fascinating historical artifact, a desktop accessory once indispensable for anyone engaged in writing. Historically, an inkstand served as a practical and often decorative holder for the essential tools of writing: one or more inkwells, pens or quills, and sometimes other items like a pounce pot for drying ink or a small tray for blotters. These elegant stands were central to the act of writing for centuries, from the widespread use of quill pens through the era of dip pens.

Common from the 17th century through the early 20th century, inkstands varied greatly in design and material, from simple wooden or ceramic pieces to elaborate creations of silver, brass, glass, or porcelain, often reflecting the social standing of their owner. While modern writing tools have largely rendered them obsolete for daily use, antique inkstands remain cherished collectibles, offering a tangible link to a bygone era of meticulous craftsmanship and the rich history of written communication.