Complex sentence: Calico had originated in the subcontinent by the 11th century and found mention in Indian literature by the 12th when writer Hemacandra mentioned calico fabric prints done in a lotus design.
Split into simpler sentences: Calico had originated in the subcontinent by the 11th century and found mention in Indian literature, by the 12th century writer Hemachandra. He has mentioned calico fabric prints done in a lotus design.