This is the 11197th most frequent Portuguese word.
manteve
"Kept" or "maintained" (past tense of "manter").
Here, 'manteve' is used to indicate maintaining a state of being, in this case, calm.
Ele manteve a calma durante a reunião.
He kept calm during the meeting.
In this sentence, 'manteve' expresses maintaining a condition of the house as clean.
Ela manteve a casa limpa mesmo após a festa.
She kept the house clean even after the party.
The word 'manteve' here embodies upholding or continuing a tradition.