Breakdown of Schließlich ist seine Mittagspause vorbei.
ist
is
sein
his
sein + masc. and neuter nouns
seine + fem. nouns
die Mittagspause
the noon break; the lunch break
words that end in -tag take an s if they are in first position of a combo.
However the word Tag itself changes into Tages.
die Mittagspause (the lunch break)
das Sonntagsessen (the Sunday meal)
die Tageszeit (the time of day)
vorbei
over; past
schließlich
finally, eventually
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