This is the 512th most frequent Latvian word.
kļuva
"Became."
The word 'kļuva' indicates a transformation or achievement of a new state (becoming a doctor).
Viņš kļuva par ārstu pēc ilgiem studiju gadiem.
He became a doctor after years of study.
The word 'kļuva' represents a gradual change in the conditions (the cooling of the weather).
Laikapstākļi kļuva vēsāki, kad saule norietēja.
The weather became cooler as the sun set.
Here, 'kļuva' shows a shift in behavior or attitude (becoming cautious).