How did Tamil Month Names originate?
(Based on a write up in Kumudam Bhakthi )
Most of us know in the solar calendar that we follow,
The month is named after the rasi in which sun is there that month,
But most of us are unable to understand , the tamil names of these months.
And here is an attempt to explain, why those names are given,
All of us who follow solar months know that full moon ,
Of each of those months fall on a particular star ony.
The full mon of the chithirai month always falls,
On the chithirai(chithra) star and the month is called Chithirai.
IN the vaikasi month the full moon falls on the VIsaka star,
And so it is called Vaisakam and in spoken language Vaikasi,
In the month of Aani , the full moon falls on Anusha(anuradha) star,
And month is called as Aani after the star Anuradha.
IN the month of AAdi , the full moon falls on poorada star,
Which is called as Poorva Ashada and the month is called ashada or Aadi,
In the month of AAvani the full moon falls on SRavana star,
Called as thiruonam in tamil and the month got its name from that.
In the month of Purattasi, the full moon falls on Uthraatathi,
Which is called Uthra Proshta padam and the name comes from Protta,
In the month of Aypaasi , the full moon comes on Asvathi star,
Which is Sanskrit is called asupathi and asupathi month became Ayppasi.
The full moon day of Kathigai month is on Karthiga star and it is named after it,
In the Margazhi month , the full moon day is on Makeeram , called ,
As Marga seershe in Sanskrit and the name obviously came from it,
And in Thai moth full moon is on Thykshyam star , known as pushyam or poosam in Tamil.
IN the maasi month full moon comes on Makam star , which is called,
Maagam in tamil and the name is just a colloquial corruption of it,
And in Panguni month , the full moon cames on either pooram or Uthram,
Which are called Poorva and Uthara Phalguni stars and Phaalguni bacame Panguni.