Yoga comes to us from the Sanskrit root word yuz

Yoga is a family of ancient spiritual a physical, mental, and spiritual practice or discipline that originated in India. The origins of yoga have been speculated to date back to pre-Vedic Indian traditions. The word yoga comes to us from the Sanskrit root word "yuz".

1-Types Of Yoga 
2-Hatha Yoga 
3-Jnana Yoga 
 4-Mantra Yoga 
5-Kundalini Yoga (From the Tantras) 
6-Bhakti Yoga 
7-Kriya Yoga 
 8-Karma Yoga 
9-Swara Yoga 
10-Raja Yoga
According to Jacobsen, "Yoga has five principal meanings: Yoga, as a disciplined method for attaining a goal; Yoga, as techniques of controlling the body and the mind;

Yoga, as a name of one of the schools or systems of philosophy (darśana); Yoga, in connection with other words, such as "hatha-, mantra-, and laya-," referring to traditions specialising in particular techniques of yoga; Yoga, as the goal of Yoga practice." https://en.wikipedia.org/wiki/Yoga