Answer:
Etymology is the study of word origins - True
Dialect words are borrowed from another language - False (loanwords)
An acronym is a word formed from the initials, or other parts of several words - True
A prefix is attached to the end of a word and changes the word's meaning - False (suffix)
An abbreviation is when parts of words are put together to form a new word - False (Compound words)
Sometimes words develop new meanings over time - True
During the Middle Ages, new English words were invented using Latin and Greek root words - True