The more specific terms Pascal case and upper camel case refer to a joined phrase where the first letter of each word is capitalized, including the initial letter of the first word.
The practice has various names, including:
. . .
PascalCase for upper camel case[17][18][19] (after the Pascal programming language)
Acshually, that’s Pascal case.
Well your comment certainly just sent me on a bit of micro–rabbit’s hole. Haha.
Fun fact: depending on the source, pascal case is either a distinct type of casing from camelcase or is a sub-type of camelcase. :P
Source for the “subtype” scenario: https://en.wikipedia.org/wiki/Camel_case
Source for the “distinct” scenario: https://www.freecodecamp.org/news/snake-case-vs-camel-case-vs-pascal-case-vs-kebab-case-whats-the-difference/#camel-case