noun /fí/
فِ (alternative)
Definitions
  1. The name of the Latin script letter F/f.
Other entries with this spelling
Wiktionary records 2 entries spelled “fí”. You're reading one of them; here are the others.
Source: Wiktionary · etymology 1, where this word is spelled “fi”. Reference: en-fi-yo-noun-69QjSqUl