This is the 7619th most frequent Russian word.
елховке
"Елховке" is the dative form of "Елховка," a proper noun referring to a place name in Russia.
Here, 'елховке' refers to a park or grove named after fir trees.
Мы собрались у елховки на праздник.
We gathered near the Christmas tree for the celebration.
In this case, 'елховке' designates a scenic location typically associated with fir trees.
Я купил открытку с изображением елховки.
I bought a postcard with the image of a Christmas tree grove.
'Елховке' is used to specify a place named or associated with fir trees.