Haṭha Yoga Pradīpikā / 3.73 The sixteen supports

3.73

Haṭha (हठ) Yoga Pradīpikā (प्रदीपिका)

कण्ठसंकोचनेनैव द्वे नाड्यौ स्तम्भयेद् दृढम् ।
मध्यचक्रमिदं ज्ञेयं षोडशाधारबन्धनम्
kaṇṭhasaṃkocanenaiva dve nāḍyau stambhayed dṛḍham |
madhyacakram idaṃ jñeyaṃ ṣoḍaśādhārabandhanam

The line

By the very contraction of the throat he should firmly stop the two channels. This is to be known as the middle wheel, the binding of the sixteen supports.

नेपालीमा

कण्ठको संकोचले नै उसले दुई नाडी दृढ रोक्नुपर्छ। यसलाई मध्यचक्र, सोह्र आधारको बन्धन, भनेर जान्नुपर्छ।

Where it sits

Iḍā (इडा) and piṅgalā (पिङ्गला) are the two the throat lock stops. Ṣoḍaśādhāra (षोडशाधार) is sixteen supports.

Split: kaṇṭha (कण्ठ) + saṃkocanenaiva (संकोचनेनैव) dve (द्वे) nāḍyau (नाड्यौ) stambhayed (स्तम्भयेद्) dṛḍham (दृढम्) / madhya (मध्य) + cakram (चक्रम्) idaṃ (इदं) jñeyaṃ (ज्ञेयं) ṣoḍaśādhāra (षोडशाधार) + bandhanam (बन्धनम्)

Sanskrit, in depth

The words

WordGrammarSense
kaṇṭha-saṃkocanenaiva (कण्ठ-संकोचनेनैव)form in the linethe throat; contracting.
dve (द्वे)locative singular, or a sandhi of the nominativethe two.
nāḍyau (नाड्यौ)dual, nominative or accusativeas this verse uses the word.
stambhayed (स्तम्भयेद्)form in the lineone should stop.
dṛḍham (दृढम्)nominative or accusative singularfirm.
madhya-cakram (मध्य-चक्रम्)nominative or accusative singularthe middle; a wheel.
idaṃ (इदं)nominative or accusative singularthis.
jñeyaṃ (ज्ञेयं)nominative or accusative singularthe knowable.
ṣoḍaśādhāra-bandhanam (षोडशाधार-बन्धनम्)nominative or accusative singularbinding.

Sanskrit in this line

The quarters run 16, 16 syllables. A hyphen in the split is a compound joint, a teaching mark, and the voice joins it.

Say it back

Cover the English and say the verse in one sentence. By the very contraction of the throat he should firmly stop the two channels. This is to be known as the middle wheel, the binding of the sixteen supports.