A ways back, we discussed the fact that Filmation had used Edgar Rice Burroughs' star-crossed hero, John Carter, as an inspiration for their 1981 CBS series, Blackstar. A correspondent suggested that the elf-like beings that found astronaut John Blackstar (George DiCenzo) were based on the Seven Dwarfs of Snow White fame. Gossamer's design, I suspect, might've been tweaked 4 years later for She-Ra's friend, Cowl.
Come to think of it, they may have recycled some material from Tarzan, Lord of the Jungle, which was still in edited reruns on CBS at that time, and, in fact, it was the final season for Tarzan that year. Judge for yourselves as Blackstar hunts down "The Crown of the Sorceress".