Kanji 親 parent, intimacy, relative 指 finger, point to, indicate Related words かな 入にゅう 力りょく かな入力 is a direct kana input method where each key corresponds to a kana character, while 親指シフト uses simultaneous thumb-key presses to produce kana, allowing more keys to be assigned to frequently used characters.
ローマ 字じ 入にゅう 力りょく ローマ字入力 is romanized Japanese input, the most common method today, whereas 親指シフト is a specialized kana-based layout that can be faster for trained typists but has a steeper learning curve.
Etymology Compound of 親指 (thumb) and シフト (shift), referring to the use of the thumbs to press shift keys in this keyboard layout. Developed by Fujitsu in the late 1970s.
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