योग / joug / yoke/ yog / yoga /

Ȝ ȝ yogh (ȝogh) derived from the Insular form of g (Ᵹ ᵹ; image: ) a form of the letter g

Yogh used for /x/ in Middle English:

God spede þe plouȝ: ⁊ sende us kǫrne inolk.

("God speed the plough: and send us corn enough.")