1) Grasp mentally; understand.
1) Philosophy: To apprehend with or without conscious formulation
or cognition of the perceived object; to interact in time and space with an
object or event (Oxford Dictionary, lexico.com).
From L. prehendere "to seize," from prae- "before," → pre-, + -hendere , from PIE root *ghend- "to seize, take," root of Gk. khandanein "to hold, contain;" Lith. godetis "be eager;" Welsh gannu "to hold, contain;" Russian za-gadka "riddle;" Old Norse geta "to obtain, reach; to be able to;" E. get.
Nutidan, from nut-, from Yaghnobi nÃ´ta "to take," from Sogd. niyÃ¢t "to take, grasp," from Proto-Ir. *ni-yāta-, from *iam- "to take, to hold;" cf. Av. yam- (yās-) "to hold, keep;" O.Pers. yas- "to strech, reach out;" Skt. yam- "to hold, restrain" (Cheung 2007).