Part of Speech:
from עָבַד; a servant; [idiom] bondage, bondman, (bond-) servant, (man-) servant.
a primitive root; to gleam; figuratively, to enlighten (by caution); admonish, shine, teach, (give) warn(-ing).
a primitive root; properly, to hedge about (as with thorns), i.e. guard; generally, to protect, attend to, etc.; beward, be circumspect, take heed (to self), keep(-er, self), mark, look narrowly, observe, preserve, regard, reserve, save (self), sure, (that lay) wait (for), watch(-man).
by contracted from רָבַב; abundant (in quantity, size, age, number, rank, quality); (in) abound(-undance, -ant, -antly), captain, elder, enough, exceedingly, full, great(-ly, man, one), increase, long (enough, (time)), (do, have) many(-ifold, things, a time), (ship-)master, mighty, more, (too, very) much, multiply(-tude), officer, often(-times), plenteous, populous, prince, process (of time), suffice(-lent).
from עָקַב in the sense of עָקֵב; a heel, i.e. (figuratively) the last of anything (used adverbially, for ever); also result, i.e. compensation; and so (adverb with preposition or relatively) on account of; [idiom] because, by, end, for, if, reward.