Old Testament Hebrew Lexical Dictionary
Strong's #650 - אָפִיק
3) of hollow bones (figuratively)
1387) qp (פק PQ) AC: Crumble CO: Riverbank AB: ?: The riverbank restrains the river but the force of the river also eats away at the bank causing it to erode and collapse. (eng: peek -see adopted roots)
V) qfp (פוק PWQ) - I. Crumble: II. Advance:The advancing water from the crumbling riverbank causing it to become wider. KJV (9): (vf: Paal, Hiphil) stumble, move - Strongs: H6328 (פּוּק), H6329 (פּוּק)
Jeff Brenner, Ancient Hebrew Research Center Used by permission of the author.
אָפִיק or אֲפִיק always in constr. st. אֲפִיק, pl. אֲפִיקֵי m.
(1) a channel, tube, so called from the idea of containing (see אָפַק No. 1 ). Job 40:18, אֲפִיקֵי נְחוּשָׁה “tubes of brass.”
(a) a channel, bed of a stream, Isaiah 8:7; Ezekiel 32:6 also, the bottom of the sea, 2 Samuel 22:16.
(b) a brook, a stream, Psalms 42:2, 126:4 Joel 1:20. אֲפִיק נְחָלִים “stream of the vallies,” Job 6:15. Hence
(c) a valley itself, especially as watered by a stream, i.q. נַחַל, Arab. وادى [wâdy], Ezekiel 6:3, 34:13 35:8 36:4, Ezekiel 36:6.
(2) strong, robust, see the root No. 2. Job 41:7, אֲפִיקֵי מָגִנִּים “the strong of shields,” i.e. strong shields (of a crocodile). Job 12:21, “he looseth the girdle of the strong.” Par. נְדִיבִים. The notion of swiftness is attributed to this word by Ewald, on Song of Solomon 5:12 but this is arbitrary.
the Sixth Week after Easter