Save Type Surname Usage English (American) Pronounced Pron. /ˈeɪ.kʌf/(American English) [key·simplify] Meaning & History Possibly a derived from Aculf, a variant of the Old Norse given name Agúlfr, composed of agi "awe, terror, fear" and ulfr "wolf". Alternatively, could be an Americanized form of Eckhoff or Eickhoff.