The term 'TREE EAST INDIAN' can be broken down into two crossword solutions: TEAK (4 letters) and SAL (3 letters). TEAK is a hardwood tree native to South and Southeast Asia, and is one of the most durable and water-resistant woods available. It is often used in furniture, boatbuilding, and other construction projects. SAL is an East Indian tree that produces a fragrant resin used in incense, perfumes, and medicines. The tree is also known for its medicinal properties and is used in traditional Ayurvedic medicine.