þéttni

þéttni is an Old English word. It is the past participle of the verb þéttan, meaning to make tight, to seal, or to stop up. Therefore, þéttni can be understood to mean "tightened," "sealed," or "stopped." The word conveys a sense of closure and prevention of passage.

In Old English literature, þéttni might appear in contexts describing physical barriers, such as a well-sealed door or a closed wound. It could also be used metaphorically to describe a state of being firmly held or enclosed. The concept of þéttni emphasizes solidity and the absence of leakage or escape. Understanding the root verb þéttan is key to grasping the nuances of its past participle. The word's usage reflects the importance of security and containment in the Anglo-Saxon worldview.