来自can的古英语过去分词，引申词义知道的人，熟人，邻居，现仅用于习语kith and kin,亲属，亲戚。
英文词源
kith (n.)
Old English cyðð "kinship, relationship; kinsfolk, fellow-countrymen, neighbors; native country, home; knowledge, acquaintance, familiarity," from cuð "known," past participle of cunnan "to know" (see can (v.)). Cognate with Old High German chundida. The alliterative phrase kith and kin (late 14c.) originally meant "country and kinsmen" and is almost the word's only survival.
双语例句
1. Better be blamed by our kith and kin, than be kissed by the enemy.
宁可让亲人责备, 切勿让敌人亲吻.
来自《简明英汉词典》
2. No, he's neither kith nor kin to me.
不是, 他和我非亲非眷.
来自辞典例句
3. Such quarrels take place even among one's own kith and kin.
这样的争吵甚至会在自己的亲戚和朋友之间发生.
来自互联网
4. Chinese people living all over the world are our kith and kin.