流石

Noun

 * 1) flowstone

Etymology
From with omission of the final.

The term is a composition of The literal meaning was "by doing something in this way, because of acting in this way".

The kanji are.

The standalone term without the final is first cited to the late 800s.

Adjective

 * 1) as one would expect

Adverb

 * 1) even so, nevertheless, with that said
 * 2)  even, as ... as it is