Voiceless labiodental fricative

The voiceless labiodental fricative is a sound that occurs in some languages, represented as /f/ in the IPA.

Sound Changes

See also: Fricatives

/f/ often developed from /p/ next to other fricatives; the sound changes described here apply to /f/ alone.

To

• v → f / V_V in English
• sp → f in Albanian and Old Irish
• bʰ, dʰ, and gʷʰ → f / #_ in Latin
• w → f / not V_V in Irish