nafnháttur
Nafnháttur is an Icelandic grammatical term referring to the infinitive form of a verb. It is the base form of a verb, used to express the action or state of being without specifying the subject, number, or tense. In Icelandic, infinitives typically end in -a, though there are exceptions. For example, the verb "að borða" means "to eat," with "borða" being the nafnháttur. Similarly, "að hlaupa" means "to run," and "hlaupa" is the nafnháttur.
The nafnháttur is used in various grammatical constructions. It often appears after modal verbs like "geta"