Strong's #1519: eis (pronounced ice)
a primary preposition; to or into (indicating the point reached or entered), of place, time, or (figuratively) purpose (result, etc.); also in adverbial phrases:--(abundant-)ly, against, among, as, at, (back-)ward, before, by, concerning, + continual, + far more exceeding, for (intent, purpose), fore, + forth, in (among, at, unto, -so much that, -to), to the intent that, + of one mind, + never, of, (up-)on, + perish, + set at one again, (so) that, therefore(-unto), throughout, til, to (be, the end, -ward), (here-)until(-to), ...ward, (where-)fore, with. Often used in composition with the same general import, but only with verbs (etc.) expressing motion (literally or figuratively).
Thayer's Greek Lexicon:
̓
eis
1) into, unto, to, towards, for, among
Part of Speech: preposition
Relation: a primary preposition
Citing in TDNT: 2:420, 211
Usage:
This word is used 1705 times:
Revelation 21:26: "honor of the nations into it."
Revelation 21:27: "And there shall in no wise enter into it any thing that defileth, neither"
Revelation 22:2: "every month: and the leaves of the tree were for"
Revelation 22:5: "God giveth them light: and they shall reign forever and ever."
Revelation 22:14: "may enter in through the gates into the city."
