Assertion: prefix | /r/AtLocation | the beginning of a word
Facets:
value: in order to modify its meaning
type: PURPOSE
Source sentences:
text: A prefix can be a letter or group of letters that may be added to the beginning of a word in order to modify its meaning.
text: A prefix is a letter or word that is added to the beginning of a word to alter its meaning.
text: prefix is a group of letters added to the beginning of a word to change its meaning.