A vertical stroke 丨 separating two little ones 八.
从小 cóng xiǎo from childhood / as a child
大小 dà xiǎo dimension / magnitude / size / measurement
小孩 xiǎo hái child
小朋友 xiǎo péng yǒu children
小时 xiǎo shí hour
小说 xiǎo shuō novel
小心 xiǎo xīn careful
小学 xiǎo xué primary school