nana [nә]1 contraction of the preposition
em with the article
a:
ela mora na casa da Sra. Smith / she lives at Mrs. Smith’s.
2 enclitic form of the pronoun
a after a nasal sound: her, it:
viram-na / they saw her.
Expressõesna chuva in the rain.
na escola at school.
na esperança in hopes.
na guerra at war.
na miséria in adversity.
na sexta-feira on Friday:
ponha isto na luz / put it to the light.