Name #18 of 1000 · Viṣṇu Sahasranāma

योगःyogaḥ

Yoga

He who is reached through yoga; union itself

From shloka 3 · chapter Matsya

योगो योगविदां नेता प्रधानपुरुषेश्वरः
नारसिंहवपुः श्रीमान् केशवः पुरुषोत्तमः
yogo yogavidāṃ netā pradhānapuruṣeśvaraḥ
nārasiṃhavapuḥ śrīmān keśavaḥ puruṣottamaḥ
verse 3

Also in this shloka: yogavidāṃ netā · pradhānapuruṣeśvaraḥ · nārasiṃhavapuḥ · śrīmān · keśavaḥ · puruṣottamaḥ