名詞 petechia:

1. a minute red or purple spot on the surface of the skin as the result of tiny hemorrhages of blood vessels in the skin (as in typhoid fever)

pe.te.chi.a

n.（名詞）
【復(fù)數(shù)】 pe.te.chi.ae[-kô-o.]
A small purplish spot on a body surface, such as the skin or a mucous membrane, caused by a minute hemorrhage and often seen in typhus.
瘀斑，瘀點：身體表面略呈紫色的小斑點，如皮膚上或粘膜上的，由微小的出血引起，常見于斑疹傷寒中

來源：
New Latin
現(xiàn)代拉丁語
from Italian petecchie [pl. of] petecchia [spot on skin]
源自 意大利語 petecchie [] petecchia的復(fù)數(shù) [皮膚上的斑點]
perhaps from Vulgar Latin *petocula
可能源自 俗拉丁語 *petocula
short for *impetocula
*impetocula的簡寫
diminutive of Latin impetox impetoc-
拉丁語 impetox的小后綴 impetoc-
variant of impetigo * see impetigo
impetigo的變體 *參見 impetigo

【引伸】
pete.chial
adj.（形容詞）
pete.chiate