栃若 とちわか Meanings Noun Tochinishiki and Wakanohana I (dominant 1950s yokozuna) See also: 栃若時代 (とちわかじだい). Kanji 栃 horse chestnut. Read as とち. 若 young. Read as わか. Words containing 栃若 栃若時代 (とちわかじだい) era during the 1950s dominated by grand champions Tochinishiki and Wakanohana I Word lists Sumo Jinuma: Japanese Dictionary · Word lists