Dao companion is often translated as cultivation partner, romantic partner, or spouse depending on context.
Glossary term
Dao Companion
What does Dao Companion mean?
A cultivation partner, often romantic, but also implying shared practice and spiritual partnership.
The term suggests walking the Dao together, not merely dating.
In worldbuilding it can imply dual cultivation, political alliance, shared vows, or emotional support through dangerous breakthroughs.