(spatially) the back, the rear, behind / (temporally) later, afterwards, some time after the present / the rest

behind, after

one's backside / the back, the rear (both spatially and temporally)

the rear, back, or backside of something / the rearward or backward direction / the portion of a palace where a queen or other female imperial consort lives

prefixing element in kanji compounds, adding a meaning of later, after, following, rearward

later, afterwards, some time after the present

after

later, afterwards, some time after the present

(後 "spatially behind") to depart from; to leave / (後 "temporally later") to put off something, to be dealt with later

(sumo) be declared the winner of a sumo bout, indicated by the referee raising his fan / the winner to be declared