The Upanishads, Part 1 (SBE01): Khândogya Upanishad: V, 8
The Upanishads, Part 1 (SBE01), by Max Müller, [1879]
1. 'The altar is woman, O Gautama 2.
2. 'On that altar the Devas (prânas) offer seed, From that oblation rises the germ.
79:2 Tasyâ upastha eva samid, yad upamantrayate sa dhûmo, yonir arkir, yad antah karoti te 'ṅgârâ abhinandâ vishphuliṅgâh.