Hakuho era; era of Taiho and Kashiwado
Refers specifically to the period in the 1960s when yokozuna Taiho and Kashiwado dominated sumo. Used in historical or sumo contexts.
The Hakuho era is said to be one of the golden ages of sumo.
Taiho is one of the two yokozuna whose dominance defines this era.
Kashiwado is the other yokozuna of the era; the term combines the first kanji of both names.
Compound of 柏 (from 柏戸, Kashiwado) + 鵬 (from 大鵬, Taiho) + 時代 (era). The term was coined to describe the period when these two yokozuna were active.