hæfur
Hæfur is a term that does not have a widely established meaning in modern Icelandic or other widely used languages. In standard Icelandic, the verb meaning “to have” is hafa, with the present-tense forms including hef, hefur, höfum, hafið, hafa. The sequence hæfur is not among the common present-tense forms used in contemporary Icelandic, and it does not appear in standard dictionaries as an independent lexical item. Because of this, hæfur is typically encountered only as a nonstandard spelling, a typographical variant, or as a proper noun in specialized contexts.
Possible interpretations include that hæfur might be a misspelling or phonetic variant of hefur in dialectal
In practice, readers encountering hæfur should consider context to determine whether it functions as a misspelling,