This is the 12755th most frequent Spanish word.
odiaban
"Odiaban" means "they hated."
The word 'odiaban' is used to indicate past habitual dislike towards an action (waking up early).
Ellos odiaban levantarse temprano los fines de semana.
They hated waking up early on weekends.
Here, 'odiaban' expresses a sentiment of aversion experienced recurrently in the past by the students.
Los alumnos odiaban las clases de matemáticas porque eran difíciles.
The students hated math classes because they were difficult.
In this instance, 'odiaban' displays past general sentiment held by people towards the action of going out in the cold without protection.