vet
n.
1
1862, shortened form of veterinarian.
2
1848, shortened form of veteran, n..
v.
"to submit (an animal) to veterinary care," 1891, from veterinarian. The colloquial sense of "subject (something) to careful examination" (as of an animal by a veterinarian, especially of a horse before a race) is attested by 1901. Related: Vetted; vetting.
词根：vet = old
来自拉丁语的vet 意为old。同义词根有来自拉丁语的sen,presby和来自希腊语的geronto。
同源词：
1. inveterate（在里面占据时间长的 in(=in) + vet (=old)）
adj.（尤其指习惯、感情等）根深蒂固的，成癖的
My parents are inveterate world travelers. They're hardly ever at home.周游世界已成为我父母的习惯，他们几乎从不待在家里。
2. veteran
n.老手，富有经验的人；老兵；退伍军人
veterans of two World Wars 经历再次世界大战的老兵
veteran teacher 经验丰富的教师
veteran Rolls Royce 1916年前制的老式劳斯莱斯汽车
Veterans(')Day 退伍军人节
3. veterinary
adj.兽医的
veterinarian n.兽医
veterinary surgeon /college 兽医/兽医学校