και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
υμνησαντες verb - aorist active passive - nominative plural masculine
humneo  hoom-neh'-o: to hymn, i.e. sing a religious ode; by implication, to celebrate (God) in song -- sing a hymn (praise unto).
εξηλθον verb - second aorist active indicative - third person
exerchomai  ex-er'-khom-ahee: to issue -- come (forth, out), depart (out of), escape, get out, go (abroad, away, forth, out, thence), proceed (forth), spread abroad.
εις preposition
eis  ice: to or into (indicating the point reached or entered), of place, time, or (figuratively) purpose (result, etc.); also in adverbial phrases
το definite article - accusative singular neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ορος noun - accusative singular neuter
oros  or'-os: a mountain (as lifting itself above the plain): -hill, mount(-ain).
των definite article - genitive plural feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ελαιων noun - genitive plural feminine
elaia  el-ah'-yah: an olive (the tree or the fruit) -- olive (berry, tree).