Shatapatha Brahmana 11.4.2.10

11.4.2.10

atha haitadbahiḥśri yo'yamapavyādāyauṣṭhā uccairasvaramāśrāvayati śrīrvai svaro bāhyata eva tacriyaṃ dhatte'śanāyuko bhavati

And the outward-tending (bahih-sri) one, indeed, it is when he opens his lips wide and utters his call at a high, toneless pitch: tone being prosperity, he thereby puts prosperity (srî) outside (bahis) himself, and becomes hungry (poor).