þekktustu
Þekktustu is an Icelandic word that translates to "the most known" or "the best known" in English. It is the superlative form of the adjective "þekktur," which means "known" or "famous." The word is used to refer to individuals, places, or things that have achieved a high degree of recognition or popularity. For example, one might refer to a country's þekktustu sights, meaning its most famous attractions, or a musician's þekktustu hits, meaning their most popular songs. The usage of Þekktustu is similar to how "most famous" or "best known" would be employed in English. It is a common adjective in Icelandic and can be applied in various contexts to denote the highest level of familiarity or renown.