* Prefix: There is no prefix in the word "endorse".
* Root Word: The root word is "dors-", which means "back". This is related to the Latin word "dorsum", meaning "back".
* Suffix: The suffix is "-e". This suffix is often used to form verbs from nouns or adjectives, though its specific function in "endorse" is a bit more complex.
Meaning of "endorse":
While "dors-" relates to the back, "endorse" doesn't directly refer to a physical back. It evolved to mean "to write one's name on the back of (a document)" and then to mean "to publicly declare one's support for".