This is the 10325th most frequent Portuguese word.
estendem
"Estendem" means "they extend" or "they stretch" in English.
In this context, "estendem" refers to the action of extending or stretching outward, describing the trees as stretching their shadows.
As árvores estendem suas sombras sobre o gramado.
The trees extend their shadows over the lawn.
Here, "estendem" means presenting, offering, or communicating their doubts or questions.
Os alunos estendem suas dúvidas ao professor.
The students extend their questions to the teacher.
In this sentence, "estendem" is used in the sense of proposing or introducing new theories.