This is the 11795th most frequent Portuguese word.
preparei
"I prepared."
The word 'preparei' signifies a completed action in the past (conjugated in the first person singular, perfect tense of 'preparar').
Preparei um bolo para a festa.
I prepared a cake for the party.
Here, 'preparei' describes a past action of readiness involving the subject in the context of meal preparation.
Ontem à noite, preparei tudo para o jantar.
Last night, I prepared everything for dinner.
In this sentence, 'preparei-me' is reflexive, indicating the subject performed the action on oneself (preparing oneself).