The list of base verb-roots (धातु) and their indicative meanings. It starts with

भू सत्तायाम् एधँ॒ वृद्धौ स्पर्धँ॒ सङ्घर्षे

Here भू, एधँ॒, स्पर्धँ॒ are the धातु; and सत्तायाम्, वृद्धौ, सङ्घर्षे are the meanings.