词源是what，其构词法是词缀some+词源what，中文意思是adv. 稍微，有点，pron. 几分某物

He has a somewhat donnish air about him.他身上有点学究气。

Research in this area is somewhat equivocal.这个领域的研究有些难以理解。

You may find it somewhat overwhelming at first.