-fy
/faɪ/suffix
1
- (added to nouns) forming verbs denoting making or producing加在名词后构成动词表示“使”, “产生”：
speechify.
1.1
- denoting transformation or the process of making into表示“转化”, “使…化”：
deify
petrify.
2
- forming verbs denoting the making of a state defined by an adjective［置于形容词后构成动词］表示“（使）成为”：
amplify
falsify.
3
- forming verbs expressing a causative sense构成动词表示“使感到”：
horrify.
词源
from French -fier, from Latin -ficare, -facere, from facere 'do, make'.