Rigveda 5.5.10

यत्र॒ वेत्थ॑ वनस्पते दे॒वानां॒ गुह्या॒ नामा॑नि ।तत्र॑ ह॒व्यानि॑ गामय॥

yatra vettha vanaspate devānāṃ guhyā nāmāni |tatra havyāni gāmaya ||

Our plain-language meaning of this verse is waiting for scholar review.