þykkastr

þykkastr is an Old Norse adjective meaning "thickest." It is the superlative form of the adjective *þykkr*, which means thick or dense. This word appears in various Old Norse texts, including sagas and poetry, and its usage reflects the literal meaning of thickness or density. For example, it could be used to describe a thick forest, a dense fog, or a substantial object.

The word derives from the Proto-Germanic root *þukke*, also meaning thick. The superlative ending *-astr* is characteristic of Old Norse and other Germanic languages, indicating the highest degree of the adjective's quality. While the word itself is straightforward in its meaning, its contextual usage in ancient literature can offer insights into the descriptive language and perceptions of the natural world by Old Norse speakers. The concept of thickness could also be applied metaphorically, though direct examples in surviving texts might be less common than literal applications.

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