Yoga Rahasya Chapter One verse 67

jālandharākhaya-bandhasya mūlam-uḍyāna-bandhanam |
niyamen-uḍḍīyānasya bandhasya-ābhyāsato dṛḍham |
nāḍīcakrāṇi śuddhāni bhavanti balavanti ca ||

Uḍḍīyāna Bandha is a pre-requisite for the
other two Bandha, Jālandhara and Mūla.
From the practice of Uḍḍīyāna Bandha the
Nāḍī and Cakra become purified and strengthened.

jālandhara - web holdingbandha - bindingmūla - rootuḍḍīyāna - flying upniyama - observances; restraint of the mind; a rule or precept; obligation; restraining, checking, holding backnāḍī - channelcakra - wheelśuddha - purebhāva - becomingbala - strength, might, force; force or power of articulation