gatâdhvan mfn. one who has walked a path Mālav. v, 9/10
• 'who has accomplished a journey', familiar with (loc.) MBh. xii
• 'one whose time of life is (nearly) gone', old, iii, 123, 5
• (ā), f. (scil. tithi) the time immediately preceding new moon (when a small streak of the moon is still visible) Gobh. Kāty.
 

Sanskrit-English Dictionary, by M. Monier William