1 Samuel 18:9

 1 Samuel 18:9

And Saul eyed David from that day and forward.

a. NASB 1995:  Saul looked at David with suspicion from that day on.  [New American Standard Bible 1995 (NASB1995) New American Standard Bible®, Copyright © 1960, 1971, 1977, 1995 by The Lockman Foundation. All rights reserved.]

b. NKJV: So Saul eyed David from that day forward.  [Scripture quotations marked "NKJV" are taken from the New King James Version®, Copyright© 1982, Thomas Nelson. All rights reserved.]

c. Classic Amplified Bible: And Saul [jealously] eyed David from that day forward.   [Amplified Bible, Classic Edition (AMPC) Copyright © 1954, 1958, 1962, 1964, 1965, 1987 by The Lockman Foundation]

d. Stone Edition Torah/Prophets/Writings: And Saul eyed David with suspicion from that day on. [The Artscroll Series/Stone Edition, THE TANACH--STUDENT SIZE EDITION Copyright 1996, 1998 by Mesorah Publications, Ltd.]

e. ESV:  And Saul eyed David from that day on. [Scripture quotations are from the Holy Bible, English Standard Version, copyright © 2001, 2007, 2011, 2016 by Crossway Bibles, a division of Good News Publishers. Used by permission. All rights reserved.]

f. Unless otherwise stated, all Greek and Hebrew definitions are from Blue Letter Bible

1. “And Saul eyed David from that day and forward.”

a. [And] [Strong: 1961 hâyâh, haw-yaw; a primitive root (compare H1933); to exist, i.e. be or become, come to pass (always emphatic, and not a mere copula or auxiliary):—beacon, × altogether, be(-come), accomplished, committed, like), break, cause, come (to pass), do, faint, fall, follow, happen, × have, last, pertain, quit (one-) self, require, × use.

b. Saul [Strong: 7586 Shâʼûwl, shaw-ool'; passive participle of H7592; asked; Shaul, the name of an Edomite and two Israelites:—Saul, Shaul.]

c. eyed [Strong: 5770 ʻâvan, aw-van'; denominative from H5869; to watch (with jealosy):—eye.]

d. David [Strong: 1732 Dâvid, daw-veed'; rarely (fully); דָּוִיד Dâvîyd; from the same as H1730; loving; David, the youngest son of Jesse:—David.]

e. from [Strong: 1931 hûwʼ, hoo; of which the feminine (beyond the Pentateuch) is הִיא hîyʼ; he a primitive word, the third person pronoun singular; he (she or it); only expressed when emphatic or without a verb; also (intensively) self, or (especially with the article) the same; sometimes (as demonstrative) this or that; occasionally (instead of copula) as or are:—he, as for her, him(-self), it, the same, she (herself), such, that (...it), these, they, this, those, which (is), who.]

f. [that] day [Strong: 3117 yôwm, yome; from an unused root meaning to be hot; a day (as the warm hours), whether literal (from sunrise to sunset, or from one sunset to the next), or figurative (a space of time defined by an associated term), (often used adverb):—age, always, chronicals, continually(-ance), daily, ((birth-), each, to) day, (now a, two) days (agone), elder, × end, evening, (for) ever(-lasting, -more), × full, life, as (so) long as (... live), (even) now, old, outlived, perpetually, presently, remaineth, × required, season, × since, space, then, (process of) time, as at other times, in trouble, weather, (as) when, (a, the, within a) while (that), × whole ( age), (full) year(-ly), younger.]

g. [and] forward [Strong: 1973 hâlᵉʼâh, haw-leh-aw'; from the primitive form of the article (hal); to the distance, i.e. far away; also (of time) thus far:—back, beyond, (hence,-) forward, hitherto, thence, forth, yonder.]

1). It was this song, coupled with Saul being tormented by an evil spirit, that sent Saul 

into a demonic inspired jealousy and hatred of David, that lasted till the end of his life.