網摘Yahoo! – Wikipediaen.wikipedia.org↗ The word “yahoo” is a backronym for “Yet Another Hierarchically Organized Oracle”[28] or “Yet Another Hierarchical Officious Oracle”. The word "yahoo" is a backronym for "Yet Another Hierarchically Organized Oracle"[28] or "Yet Another Hierarchical Officious Oracle". https://en.wikipedia.org/wiki/Yahoo!