Meaning of pied-piping in English:

pied-piping

Pronunciation /ˌpʌɪdˈpʌɪpɪŋ/

noun

Linguistics
  • The placing of a preposition immediately before a relative or interrogative pronoun, rather than later in the clause.

    E.g. ‘To whom are you talking?’ as opposed to ‘Whom are you talking to?’.

Origin

1960s. From pied + piping, after Pied Piper, with allusion to the way in which the charmed rats closely followed the piper in the story.