Love, fondness, deep affinity
Phil- (also -phile as a suffix) comes from Greek "philein" (to love, to have an affinity for) and expresses intellectual love or deep fondness. Philosophy = love of wisdom (phil- + sophos); philanthropy = love of humanity (phil- + anthropos); philharmonic = love of music (phil- + harmonia); philology = love of words and texts (phil- + logos). Spanish equivalent "filo-": filosofía, filantropía, filología, filarmonía.