Lewis & Short

scansĭlis, e, adj. [scando], that may be climbed.

  1. I. Lit.: ficus, Plin. 17, 11, 16, § 84: gradus superiores scansiles, Schol. Juv. 7, 45; Amm. 16, 10, 14.
  2. * II. Trop.: lex annorum, i. e. the law of critical years (placed at certain distances or steps from each other) or climacterics, Plin. 7, 49, 50, § 161.