Taittiriya Upanishad- 1-5-3 - Taittiriya-1-5-3-bhūriti vai

Taittiriya Upanishad – Siksha Valli – 1-5-3 « »

भूरिति वै प्राणः । भुव इत्यपानः । सुवरिति व्यानः ।
मह इत्यन्नम् । अन्नेन वाव सर्वे प्राण महीयन्ते ।
ता वा एताश्चतस्रश्चतुर्ध । चतस्रश्चतस्रो व्याहृतयः ।
ता यो वेद ।
स वेद ब्रह्म । सर्वेऽस्मैदेवा बलिमावहन्ति ॥ ३॥
इति पञ्चमोऽनुवाकः ॥

bhūriti vai prāṇaḥ . bhuva ityapānaḥ . suvariti vyānaḥ .
maha ityannam . annena vāva sarve prāṇa mahīyante .
tā vā etāścatasraścaturdha . catasraścatasro vyāhṛtayaḥ .
tā yo veda .
sa veda brahma . sarve’smaidevā balimāvahanti .. 3..
iti pañcamo’nuvākaḥ ..

Bhuh is Prana. Bhuvah is Apana. Savah is Vyana. Mahah is food. Indeed it is by food that the Pranas thrive.

These above mentioned four are themselves four-fold and the four Vyahrtis are each four in number. He who knows these knows Brahman. All the Devas carry offerings unto Him.

Bhuh – 1. World 2. Fire 3. Rk. 4. Prana
Bhuvah – 1. Sky 2. Air 3. Sama 4. Apana
Suvah – 1. Next world 2. Sun 3. Yajus 4. Vyana
Mahah – 1. Sun 2. Moon 3. Om 4. Food

Table of Contents

Links
Various resources on the Taittiriya Upanishad
Upanishad Series – Taittiriya Upanishad Commentary by Swami Chinmayananda

Taittiriya Upanishad – 1-5-3 – Taittiriya-1-5-3-bhūriti vai – In Sanskrit with English Transliteration, Meaning and Commentary by Adi Shankaracharya (Sankara Bhashya) – Taittiriya-1-5-3