ஸாயனம்

வானசாஸ்திர கணிதவகை. (பஞ்.) The system of calculation which allows for the precession of the equinoctial point;

Tamil Lexicon

sāyaṉam
n. sāyana. (Astron.)
The system of calculation which allows for the precession of the equinoctial point;
வானசாஸ்திர கணிதவகை. (பஞ்.)

DSAL