This is the 8696th most frequent Catalan word.
ensenyava
"Ensenyava" means "was teaching" or "used to teach" in English.
The word 'ensenyava' is used here in the past tense to indicate that 'he' was teaching mathematics in a school.
Ell ensenyava matemàtiques a l'escola.
He taught mathematics at the school.
'ensenyava' is employed to show that my grandmother was teaching me how to cook in my childhood, indicating past continuous action.
Quan era petit, la meva àvia em ensenyava a cuinar.
When I was little, my grandmother taught me how to cook.
Here, 'ensenyava' describes the act of teaching creative project-making across the duration of the course, in a habitual or continuous past frame.