Also known as ZERO WIDTH JOINER, ZWJ, zwidge
zero-width joiner (U+200D), commonly abbreviated “ZWJ”: non-printing format control used for the conjoined composition of character sequences needed in some complex scripts and emojis
via Wikidata · CC0
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).