योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-73, verse-12

सर्वाङ्गकोशनाडीषु दिक्ष्विवानिललेखया ।
उड्डीनमवडीनं च काचौघव्योमवीथिषु ॥ १२ ॥

sarvāṅgakośanāḍīṣu dikṣvivānilalekhayā ,
uḍḍīnamavaḍīnaṃ ca kācaughavyomavīthiṣu 12

12. sarvāṅgakośanāḍīṣu dikṣu iva anilalekhayā
uḍḍīnam avaḍīnam ca kācaughavyomavīthiṣu

12. anilalekhayā dikṣu iva,
sarvāṅgakośanāḍīṣu ca kācaughavyomavīthiṣu uḍḍīnam avaḍīnam ca (bhavati)

12. Just as streaks of wind (analilekhayā) move in all directions, so too there is a rising and falling motion (uḍḍīnamavaḍīnam) within all the body's sheaths and subtle channels (sarvāṅgakośanāḍīṣu), and in the vast paths of the sky (vyomavīthiṣu) that resemble masses of glass (kācaugha).

Words meanings summery:

• सर्वाङ्गकोशनाडीषु (sarvāṅgakośanāḍīṣu) - in all body-sheaths and subtle channels

• दिक्षु (dikṣu) - in the directions

• इव (iva) - like, as, as if

• अनिललेखया (anilalekhayā) - by the streaks of wind; by the lines of wind

• उड्डीनम् (uḍḍīnam) - upward movement (of vital breath/consciousness) (flying up, upward flight, ascent)

• अवडीनम् (avaḍīnam) - downward movement (of vital breath/consciousness) (flying down, downward flight, descent)

• च (ca) - and, also

• काचौघव्योमवीथिषु (kācaughavyomavīthiṣu) - in the vast, ethereal expanse like cloud formations (in the sky-paths of glass-masses; in the ethereal paths resembling masses of clouds/glass)

Words meanings and morphology

सर्वाङ्गकोशनाडीषु (sarvāṅgakośanāḍīṣu) - in all body-sheaths and subtle channels

(noun)

Locative, feminine, plural of sarvāṅgakośanāḍī

sarvāṅgakośanāḍī - (compound noun referring to) all body-sheaths and channels

Compound type : dvandva (sarva+aṅga+kośa+nāḍī)

• sarva – all, whole, every
  pronoun/adjective
• aṅga – limb, body part
  noun (neuter)
• kośa – sheath, layer, treasury, bud
  noun (masculine/neuter)
• nāḍī – channel, tube, pulse, subtle energy channel
  noun (feminine)

दिक्षु (dikṣu) - in the directions

(noun)

Locative, feminine, plural of diś

diś - direction, quarter of the sky, point of the compass

Root: diś (class 6)

इव (iva) - like, as, as if

(indeclinable)

अनिललेखया (anilalekhayā) - by the streaks of wind; by the lines of wind

(noun)

Instrumental, feminine, singular of anilalekhā

anilalekhā - streak of wind, line of wind

Compound type : tatpurusha (anila+lekhā)

• anila – wind, air
  noun (masculine)
• lekhā – line, streak, drawing, writing
  noun (feminine)

उड्डीनम् (uḍḍīnam) - upward movement (of vital breath/consciousness) (flying up, upward flight, ascent)

(noun)

neuter, singular of uḍḍīna

uḍḍīna - flying up, soaring, upward flight

Past Passive Participle

From ud-√ḍī (to fly up).

Prefix: ud

Root: ḍī (class 4)

अवडीनम् (avaḍīnam) - downward movement (of vital breath/consciousness) (flying down, downward flight, descent)

(noun)

neuter, singular of avaḍīna

avaḍīna - flying down, descending, downward flight

Past Passive Participle

From ava-√ḍī (to fly down).

Prefix: ava

Root: ḍī (class 4)

च (ca) - and, also

(indeclinable)

काचौघव्योमवीथिषु (kācaughavyomavīthiṣu) - in the vast, ethereal expanse like cloud formations (in the sky-paths of glass-masses; in the ethereal paths resembling masses of clouds/glass)

(noun)

Locative, feminine, plural of kācaughavyomavīthi

kācaughavyomavīthi - (compound noun referring to) sky-paths resembling masses of glass/clouds

Compound type : tatpurusha (kāca+ogha+vyoman+vīthi)

• kāca – glass, crystal
  noun (masculine)
• ogha – mass, flood, multitude, collection
  noun (masculine)
• vyoman – sky, atmosphere, space
  noun (neuter)
• vīthi – path, road, street, row
  noun (feminine)