Yeah I don't think anyone was called a remaster, different words even if they share the same root
Also master/slave was used in tech for awhile not just for forked branches, a couple examples are https://docs.oracle.com/cd/E88353_01/html/E37855/scsi-slave-9f.html in SCSI interfaces and replication systems like those used with databases https://jira.mariadb.org/plugins/servlet/mobile#issue/MDEV-18777