That man is said to be a grammarian who can trace each word to its root and explain it. Similarly that man is a true grammarian who can trace each object to its root (Brahma or the Supreme Soul).
सर्वार्थानां व्याकरणाद् वैयाकरण उच्यते। तन्मूलतो व्याकरणं व्याकरोतीति तत् तथा॥