Old English sandig "of the nature of sand;" see sand (n.) + -y (2). Meaning "of yellowish-red hue" (in reference to hair) is from 1520s.
Sandy (n.)
late 15c. as a nickname for Alexander; as the typical name for a Scotsman from 1785, also drawing on the hair-color sense of sandy (adj.). Also Sawney, and with diminutive form Saunder preserved in surnames.
实用例句
1. The bulk of the book concerns Sandy's two middle-aged children.
书中主要描写桑迪的两个已到中年的孩子。
来自柯林斯例句
2. She touched the thick mat of sandy hair on his chest.
她摸着他那浓密的淡棕色胸毛。
来自柯林斯例句
3. Sandy leaned across the table, his face uncomfortably close to Brad's.
桑迪探过桌子，他的脸跟布拉德的脸靠得异常地近。
来自柯林斯例句
4. Sandy took up with a widow 21 years his junior.