形容詞 recondite:

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

rec.on.dite

adj.（形容詞）
Not easily understood; abstruse.See Synonyms at ambiguous
難懂的：不容易理解的；深奧的參見 ambiguous
Concerned with or treating something abstruse or obscure:
玄妙的：與深奧或晦澀之事物有關(guān)的，或處理深奧或晦澀之事物的：
例句：
recondite scholarship.
深奧玄妙的學(xué)問

Concealed; hidden.
隱秘的：掩蓋著的；隱藏的

來源：
Latin reconditus [past participle of] recondere [to put away]
拉丁語 reconditus [] recondere的過去分詞 [置于一邊]
re- [re-]
re- [前綴re-]
condere [to put together, preserve] * see dhô-
condere [放在一起，保存] *參見 dhô-

【引伸】
rec.ondite.ly
adv.（副詞）
rec.ondite.ness
n.（名詞）