free category
category generated from a quiver by from freely concatenating arrows together, whenever the target of one arrow is the source of the next
en-US/ˈfɹi ˈkædəˌɡoʊɹi/
en-GB/ˈfɹiː kætɪɡəɹiː/
category generated from a quiver by from freely concatenating arrows together, whenever the target of one arrow is the source of the next