אֵת

eth (ayth) prep.
1. (properly) nearness
2. (used only as a preposition or an adverb) near
3. (hence, generally) with, by, at, among, etc
[probably from H579]
KJV: against, among, before, by, for, from, in(-to), (out) of, with. Often with another prepositional prefix. 
Root(s): H579

• Part of speech: preposition
• Occurrences: 808

• אנה — H579

• Genesis 5:22

From Strong's Hebrew and Chaldee Dictionary (1890), which is public domain. This bundle carries the words that spell biblical names and the roots they are built from; the full lexicon of 8,674 entries ships as a bulk table.