下槛

下槛	xià kǎn	(architecture) doorsill
下	xià	down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action
槛	jiàn	banister / balustrade / cage for animal or prisoner / to transport caged prisoner on a cart
槛	kǎn	door sill / threshold