pioneered

/P AY0 AH0 N IH1 R D/
verb
  1. 1

    To be the first to do or achieve (something), preparing the way for others to follow.

    โ€œThe young doctor pioneered a new life-saving surgical technique.โ€

Source: https://en.wiktionary.org/wiki/pioneer, https://en.wiktionary.org/wiki/pioneered