recondite

形容词 recondite:

1. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
   同义词：abstruse, deep

rec.on.dite

adj.（形容词）
Not easily understood; abstruse.See Synonyms at ambiguous
难懂的：不容易理解的；深奥的参见 ambiguous
Concerned with or treating something abstruse or obscure:
玄妙的：与深奥或晦涩之事物有关的，或处理深奥或晦涩之事物的：
例句：
recondite scholarship.
深奥玄妙的学问

Concealed; hidden.
隐秘的：掩盖着的；隐藏的

来源：
Latin reconditus [past participle of] recondere [to put away]
拉丁语 reconditus [] recondere的过去分词 [置于一边]
re- [re-]
re- [前缀re-]
condere [to put together, preserve] * see dhô-
condere [放在一起，保存] *参见 dhô-

【引伸】
rec.ondite.ly
adv.（副词）
rec.ondite.ness
n.（名词）