Search gender: all male female 珂穂 Japanese Girl Names Variations. 1 names found. gender: all male female Name: kaho Katakana: カホ 3 Kanji: 珂穂 Meaning: 珂White agate. A gemstone, Mactra chinensis (species of trough shell), and ornaments made of it. 穂An ear of grain. The part of a grain stalk at the end of which flowers and fruits are produced. You can save your favorite names with NazukePON > About Japanese Names > Search Japanese Names By Kanji > 珂穂 Japanese Girl Names Variations.