過 か Meanings Prefix surplus-; excess-; over- per- (chemical with more of a certain element than found in other compounds of the same constituents) Kanji 過 pass. Read as カ. Words containing 過 過去 (かこ) the past 過程 (かてい) process 通過 (つうか) passing through (a tunnel, station, town, etc.) And 374 more. Jinuma: Japanese Dictionary · Word lists