Valmiki Ramayana 3.74.10

रामेण तापसी पृष्ठा सा सिद्धा सिद्ध सम्मता ।शशंस शबरी वृद्धा रामाय प्रति अवस्थिता॥

rāmeṇa tāpasī pṛṣṭhā sā siddhā siddha sammatā |śaśaṃsa śabarī vṛddhā rāmāya prati avasthitā ||

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