Definitions for "Salaf"
ancestor(s), forefather(s), forebearer(s), grandfather(s), primogenitor(s), progenitor(s), ascendant(s). predecessor, precursor.
the early generations of Muslims, i.e., the Companions of the Prophet (PBUH) and the generation immediately following them.
"previous"; the early Muslims, of the first three eras: the Companions, Successors, and their successors.