竹馬

bamboo stick used as a toy horse

bamboo / CL:棵[ke1],支[zhi1],根[gen1] / Kangxi radical 118

surname Ma / abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

horse / CL:匹[pi3] / horse or cavalry piece in Chinese chess / knight in Western chess

lit. green plums and hobby-horse (idiom) / fig. innocent children's games / childhood sweethearts / a couple who grew up as childhood friends

childhood friend (idiom)

see 竹馬之交|竹马之交[zhu2 ma3 zhi1 jiao1]