penumbra

enter

time / an event, case, occasion, moment; a specific period in time / a time of something / a season / a tense / (literary) the time during which a narrative takes place

lunar eclipse

and a half

(astronomy, mythology) Earth; Terra

the moon / (astronomy) a natural satellite

shadow / a shape or form reflected in light / presence / negative aspect

to go in; to come in / 要る: to be necessary, to be required

shadow / light / a shape or form reflected in light