It may be an acronym or acronym, but I only know in English Leukemia Inhibitory Factor , Liberal Forum, Low Insertion Force, it can also be a Norse name, since in its mythology Lif is a female character who together with Lífthrasir will repopulate the world l Ragnarok cataclysm. It originates from an ancient Proto-Germanic word meaning "life", or perhaps it is a variant of hlif ( "protection, shell" ) . See Lifthrasir , ragnarok .
