prefixed

/P R IY1 F IH0 K S T/
verb
  1. 1

    To determine beforehand; to set in advance.

  2. 2

    To put or fix before, or at the beginning of something; to place at the start.

adjective
  1. 1

    Having a (specified) prefix.

  2. 2

    Added as a prefix.

Source: https://en.wiktionary.org/wiki/prefix, https://en.wiktionary.org/wiki/prefixed