Potterlock

Etymology
.

Proper noun

 * 1)  A genre of crossover fanworks blending characters, settings, and plot elements from the ' series and the television show '.
 * 2) * 2019, Alena Pospíšilová, "Metamorphosis of Relationships in Harry Potter Fanfiction", thesis submitted to the University of Pardubice, page 33:
 * The same naming technique may be applied to crossovers - stories that combine two or more fandoms together - so in this case Potterlock is a combination of Harry Potter and Sherlock Holmes fandom.
 * 1) * 2021, Maychen Tyler & Stacey Lannigan, "Sorting BBC’s 'Sherlock' Characters into Hogwarts Houses, MuggleNet, 2 February 2021:
 * With Potterlock being such a popular crossover amongst Harry Potter and Sherlock fans, it’s no surprise that these characters slot so effortlessly into the four Hogwarts Houses.
 * With Potterlock being such a popular crossover amongst Harry Potter and Sherlock fans, it’s no surprise that these characters slot so effortlessly into the four Hogwarts Houses.