This is the 677th most frequent Hungarian word.
téli
"Winter" or "wintry."
Here, 'téli' describes the noun 'táj' (landscape), implying its association with the winter.
A téli táj gyönyörű.
The winter landscape is beautiful.
In this case, 'téli' modifies the noun 'kabátot' (coat), indicating that the coat is designed for use in winter conditions.
Egy téli kabátot keresek.
I am looking for a winter coat.
Here, 'téli' acts as an adjective describing the noun 'hónapok' (months), specifying that they are related to winter.