undirstrikað
Undirstrikað is an Icelandic word meaning "underlined" or "emphasized." It is the past participle of the verb undirstrika, formed from undir- meaning "under" and strika meaning "to draw a line" or "to strike." The term is used as an adjective to describe text that has been underlined, and it can modify nouns in accordance with Icelandic grammar (for example, undirstrikað orð means an underlined word).
In typography and writing, undirstrikað refers to the practice of placing a line beneath text to indicate