Greek word
proskarteréō
προσκαρτερέω
What it means
to be earnest towards, i.e. to persevere, be constantly diligent, or to attend assiduously all the exercises, or to adhere closely to
to be earnest towards, i.e. (to a thing) to persevere, be constantly diligent, or (in a place) to attend assiduously all the exercises, or (to a person) to adhere closely to (as a servitor)
Where it comes from
from prós (πρός) and karteréō (καρτερέω)