1) Latin phrase 
Sativum, Sativus, and Sativa are Latin botanical adjectives meaning cultivated, used to designate certain seed-grown domestic crops. Sativa ends in -a, because it is the feminine form of the adjective, but masculine (-us) and neuter (-um) endings are used to agree with the gender of the nouns they modify, for example, Crocus sativus – Saffron (m...