ου particle - nominative
ou  oo: no or not -- + long, nay, neither, never, no (man), none, (can-)not, + nothing, + special, un(-worthy), when, + without, + yet but.
γαρ conjunction
gar  gar: assigning a reason (used in argument, explanation or intensification; often with other particles)
δηπου adverb
depou  day'-poo:  a particle of asseveration; indeed doubtless -- verily.
αγγελων noun - genitive plural masculine
aggelos  ang'-el-os: a messenger; especially an angel; by implication, a pastor -- angel, messenger.
επιλαμβανεται verb - present middle or passive deponent indicative - third person singular
epilambanomai  ep-ee-lam-ban'-om-ahee: to seize (for help, injury, attainment, or any other purpose; literally or figuratively) -- catch, lay hold (up-)on, take (by, hold of, on).
αλλα conjunction
alla  al-lah': other things, i.e. (adverbially) contrariwise (in many relations) -- and, but (even), howbeit, indeed, nay, nevertheless, no, notwithstanding, save, therefore, yea, yet.
σπερματος noun - genitive singular neuter
sperma  sper'-mah: something sown, i.e. seed (including the male sperm); by implication, offspring; specially, a remnant (figuratively, as if kept over for planting) -- issue, seed.
αβρααμ proper noun
Abraam  ab-rah-am': Abraham, the Hebrew patriarch -- Abraham.
επιλαμβανεται verb - present middle or passive deponent indicative - third person singular
epilambanomai  ep-ee-lam-ban'-om-ahee: to seize (for help, injury, attainment, or any other purpose; literally or figuratively) -- catch, lay hold (up-)on, take (by, hold of, on).