五分
ごぶ half; 50%
Why it means this
五 (five) + 分 (a tenth) — five tenths; half; 五分五分, fifty-fifty; 五分の魂, 一寸の虫にも五分の魂, 'even a one-inch worm has a half-inch of soul'.
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.