大丈夫

Etymology 1
Attestable in pre-Qin texts.

Noun

 * 1) real man; man of character

Etymology 2
, from.

Adjective

 * 1)  all right; okay

Etymology
From, equivalent to ja.

Noun

 * 1)  a man of class; a great man

Adjective

 * 1)  all right; okay; in good health; uninjured
 * 2)  all right, unbroken, still working
 * 3) certain, correct, certifiable
 * 4)  indifferent, unconcerned
 * 5) (in response to an offer) no thank you
 * 1)  all right, unbroken, still working
 * 2) certain, correct, certifiable
 * 3)  indifferent, unconcerned
 * 4) (in response to an offer) no thank you
 * 1) (in response to an offer) no thank you
 * 1) (in response to an offer) no thank you

Usage notes

 * In strict terms, declining an offer with 大丈夫 is considered ambiguous. Nonetheless, the usage has become widespread in modern day Japan.

Etymology
From, from.

Adjective

 * 1) all right
 * 2) okay