This is the 739th most frequent Estonian word.
novembri
"Novembri" is the genitive case of "november," meaning "of November" in English.
In this sentence, 'novembri' is in the genitive case, showing possession or association with the noun 'kuus' (month).
Ma sündisin novembri kuus.
I was born in the month of November.
Here, 'novembri' functions as an adjective-like modifier, describing the sky in relation to the month of November.
Novembri taevas on tihti pilvine.
The November sky is often cloudy.
In this sentence, 'novembri' again is in the genitive case, and it is used to specify the time frame regarding 'alguses' (in the beginning).