מָרַר

From LSJ

μεγάλα ταῖς ἐλπίσι περινοέωcherish great anticipations, form great projects

Source

English (Strong)

a primitive root; properly, to trickle (see מַר); but used only as a denominative from מָר; to be (causatively, make) bitter (literally or figuratively): (be, be in, deal, have, make) bitter(-ly, - ness), be moved with choler, (be, have sorely, it) grieved(-eth), provoke, vex.