This is the 3742nd most frequent Catalan word.
afectava
"Was affecting" or "affected."
In this sentence, 'afectava' is used in the past imperfect tense to describe an ongoing effect that the incident had on the city's traffic at a certain time in the past.
L'incident afectava el trànsit del centre de la ciutat.
The incident affected the traffic in the city center.
Here, 'afectava' demonstrates how the schedule change caused an impact on the employees' routine. It emphasizes the effect as an ongoing situation in the past.
El canvi d'horari afectava la rutina diària dels empleats.
The schedule change affected the daily routine of the employees.
In this case, 'afectaven' (plural form matching the plural subject) is used to indicate an ongoing impact from calculation errors on the accuracy of results during a past scenario.