pat = to walk

词根pat来自拉丁语的词根pat 意为to walk。同义词根有来自拉丁语的ambul[ambl]。
1.expatiate [向外走出去ex(=out) + pat(=walk)]
vi.详述，细说
She expatiated on the topic of flower arranging.她就插花这一主题进行了详细的阐述。

2.peripatetic adj.流动的；巡回工作的 peri(=around)
peripatetic religious teachers of India 印度的周游四方宗教教师