Sentence:  From China, eggplant may have migrated to Japan, where it was one of the five most important vegetables. Another hypothesis holds that the people of India were the first to eat eggplant. Indians may have gathered <WSD>wild eggplant</WSD> around the time of Christ. Having  originated in India, according to this hypothesis, eggplant migrated to China and then to Arabia in the fourth century CE. 
Meaning of the word marked with <WSD> tags:  (eggplant) (Wild/undomesticated "Solanum melongena".)