Search gender: all male female Mugio Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mugio Katakana: ムギオ 0 Kanji: 麦緒 Meaning: 麦Wheat. A general term for barley, wheat, rye, and oats in the grass family. Wheat is a metaphor for a strong person or thing because it grows strong when trodden on. 緒The beginning of things. Connection. A thought caused by a thing. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mugio Girl Name Meaning, Kanji Variations.