This is the 825th most frequent Armenian word.
թվականից
The Armenian word "թվականից" translates to "since (a certain date)" in English.
The word "թվականից" translates to "since (a specific year)" and is used to indicate the starting point in time from when something has been continuing.
Ես 2005 թվականից սովորում եմ երաժշտություն։
I have been studying music since 2005.
Here, "թվականից" denotes the year from which the action (growth of the tree) began and has persisted.
Այս ծառը 1980 թվականից է աճել։
This tree has grown since 1980.
In this sentence, "թվականից" specifies the year (2010) as the beginning point of an enduring interest or involvement.