History
It is unknown when the term was coined, however it has been used since early 2019.
Flag
The Apapronoun flag was coined by Angel of the Cryptocrew system on November 12th, 2020. The red represents pronouns, the line through the word-bubble represents indifference, the dark brown represents in-home pronoun use, the lighter brown represents outside pronoun use, and the yellow-ish brown represents internet/messaging pronoun use. The word bubble represents using pronouns in conversation.
Resources