An Etymological Dictionary of Astronomy and Astrophysics

1. Having or being of great length; very long.
   

2. Tediously verbose; very long; too long (Dictionary.com).

Etymology (EN): From → length + -y.

Etymology (PE): Kešnâk “lengthy” (Bardsiri, Kermâni), from kešidan, kašidan “to draw, protract, trail, drag, carry,” → tide. Bardesir, Kermân