This is the 2792nd most frequent Portuguese word.
usava
"Usava" means "used" (past tense of using something).
Here, 'usava' is used as the past imperfect tense of 'usar' to describe a habitual action in the past.
Ela usava sapatos vermelhos todos os dias.
She wore red shoes every day.
In this sentence, 'usava' indicates a repeated action in the past associated with a purpose or utilization.
Eu usava o computador para trabalhar antes de comprar um novo.
I used to use the computer for work before buying a new one.
'Usava' here reflects a characteristic style or preference during a period in the past, emphasized using the imperfect tense.