格物

格物	gé wù	to study the underlying principles, esp. in neo-Confucian rational learning 理学 / word for Western natural sciences during late Qing
格	gé	square / frame / rule / (legal) case / style / character / standard / pattern / (grammar) case / (classical) to obstruct / to hinder / (classical) to arrive / to come / (classical) to investigate / to study exhaustively
物	wù	(bound form) thing / (literary) the outside world as distinct from oneself; people other than oneself