cover for the flash pan of a matchlock

gunpowder

pour into, fill / sprinkle on, water something / concentrate effort, focus energy / for rain or snow to fall

pour into something / serve food, dish out food, fill a container with food

to open / to make (a hole)

to broaden; to become wide / to develop; to progress; to improve / (of a person) to be enlightened; to be inspired; (perfect tense) to be sharp or clever

gun / (sumo) teppo.

the past / ancient times

(not of a person) old, aged, antiquated

old