U+2060, ⁠
WORD JOINER
(Abbreviation: WJ)

[U+205F]
General Punctuation
[U+2061]

Translingual

Wiktionary does not have any Translingual dictionary entry for this term. This is most likely because this term does not meet our criteria for inclusion (yet).
Some information about this term is available in Appendix:Control characters and Wikipedia's article on Word joiner.