求impecunious 词根词源

impecunious (adj.)
"lacking in money," 1590s, from assimilated form of in- "not, opposite of" (see in- (1)) + Latin pecuniosus "rich," from pecunia "money, property" (see pecuniary). Related: Impecuniously; impecuniosity.
没有钱的(形容词)
意思是“缺钱”,起源于1590s,词缀来源于in- “不是,相反”.
至于im-和in-的关系主要是由于发音同化造成的.
pecunious是以p为首字母的形容词,意思是''有钱的''.
来源为拉丁语pecuniosus pecunia“富裕,”“金钱,财产”.
相关词汇:Impecuniously,impecuniosity身无分文.
符合第二条：作为否定词缀"im-"通常只放在以"m, p"为首字母的形容词前.
可参考：关于im-/in-的否定含义：
1. 作为否定词缀"in-"通常放在以"a, c, d, e, f, i, n, o, p, s, t, v"为首字母的形容词前,例如:
articulate →inarticulate(不善于表达的)
considerate →inconsiderate(不体谅别人的)
credible →incredible(难以置信的)
discreet →indiscreet(不慎重的)
exact →inexact(不准确的)
frequent →infrequent(不常发生的)
2. 作为否定词缀"im-"通常只放在以"m, p"为首字母的形容词前,例如:
mature →immature(不成熟的)
measurable →immeasurable(不可估量的)
partial →impartial(不偏不倚的)
patient →impatient(不耐烦的)