The origin of the lemon is unknown, though lemons are thought to have first grown in Assam (a region in northeast India), northern Myanmar, or China. A genomic study of the lemon indicated it was a hybrid between bitter orange (sour orange) and citron.
The origin of the word lemon may be Middle Eastern.he word draws from the Old French limon, then Italian limone, from the Arabic laymūn or līmūn, and from the Persian līmūn, a generic term for citrus fruit, which is a cognate of Sanskrit (nimbū, 'lime