acostábamos
Acostábamos is a Spanish verb form. It is the first-person plural imperfect indicative of the verb acostar. The verb acostar means "to put to bed" or "to go to bed" or "to lie down." The imperfect indicative tense in Spanish is used to describe ongoing actions, habitual actions, or states of being in the past.
Therefore, acostábamos translates to "we were putting to bed," "we used to put to bed," "we were