ayaṉam (p. 22) s. A road, path, வழி. 2. Course, especially the half yearly course of the sun, வருடப்பாதி. 3. Equinoctial or solstitial points. Wils. p. 64. AYANA. அயனகாலம், s. The interval between the equinoxes, அயனங்களினிடைநி கழ்காலம். Wils. p. 64. AYANAKALA. 2. The time of the commencement of the tropical year, months, or either of the two; this is commonly called அயன ப்பிறப்பு. அயனசலனம், s. Amount of the precession of the equinoxes at any given time. அயனமண்டலம், s. Colures, equinoctial colure. அயனமாதம், s. The month reckoned from the true equinox. அயனவாண்டு, s. The year reckoned from the true equinox. உத்தராயணம், s. The course of the sun from south to north, north declination. Wils. p. 142. UTTARAYANA. தட்சணாயனம்--தக்ஷிணாயனம், s. The course from north to south. Wils. p. 395. DAKSHINAYANA. 12)