Graspeth is an archaic form of grasps, using the third-person singular ending -eth that was standard in Early Modern English.
It appears in biblical and liturgical texts: He graspeth the wind in his fists.
Outside quotation or deliberate archaism, the form is obsolete.
1. comprehension — understandeth, Old English for comprehends; knoweth (Archaic verb for comprehends); taketh (Archaic form of takes); followeth (Old English for pursues)
2. physical — taketh, Archaic form of takes; toucheth (Archaic for contacts); keepeth (Holds, old verb form)
3. aspiration — seeketh, Archaic form of pursues; desireth (Wants, archaically); coveteth (Archaic: intensely desires); wanteth (Archaic lacks or desires); pursueth
Opposites
PHYSICAL ACTIONgraspeth ≠ droppeth Archaic for descends; throweth · releases · lets go · drops · yieldeth
COMPREHENSION (archaic sense)graspeth ≠ misses Fails to connect; misunderstands
LINGUISTIC REGISTERgraspeth ≠ grasps Holds or comprehends; grabs · seizes · clutches · takes hold · holds