Sentence:  In fact , during the first century B. C. , an extensive literature <WSD>sprang</WSD> up devoted to these subjects , finding its typical expression in the so-called `` wei books '' , a number of which were specifically devoted to the Lo Shu and related numerical diagrams , especially in connection with divination . 
Meaning of the word marked with <WSD> tags:  come into existence; take on form or shape