日ひ頃ごろ

adverb, noun

for a long time; over a long period

Emphasizes a continuous state or action over an extended period, often with a nuance of 'all along' or 'for ages'. Less common than sense 1.

• 日ひ頃ごろから温あたためていた計けい画かくを実じっ行こうに移うつした。

  I put into action a plan I had been nurturing for a long time.