From the same as 'uwl; properly, strength; hence, anything strong; specifically a chief (politically); also a ram (from his strength); a pilaster (as a strong support); an oak or other strong tree -- mighty (man), lintel, oak, post, ram, tree.
see HEBREW 'uwl
H352. ayil
I. אַ֫יִל156 noun masculineGenesis 22:13 ram (as leader of flock, Late Hebrew & Aramaic id., Assyrian ailu DlW, Phoenician איל, = אַיִל rather than אַיָּל, compare CISl. p. 231) — אַיִל (אָ֑יִל) 15:9 +; construct אֵיל Exodus 29:22 +; plural אֵילִים (אֵלִים אֵילִם,) Genesis 32:15 +; construct אֵילֵי 31:38; Isaiah 60:7. — ram,
1 used as food Genesis 31:38 (E) Deuteronomy 32:14 (compare ram of sacrifice, below e.g. Exodus 29:32 compare Leviticus 8:31); as yielding wool 2 Kings 3:4; as tribute 2 Chronicles 17:11; as merchandise Ezekiel 27:21; as gift Genesis 32:15 (E); in simile of leaping, skipping Psalm 114:4 (כְּא רָקְדוּ ׳הֶהָרִים) 114:6; in Daniel's vision, ram with two horns symbolizing kings of Media and Persia Daniel 8:3-4, 6, 7 (4 t. in verse); 8:20; figurative of rich and powerful in Israel Ezekiel 34:17.
2 slain in ceremony of ratification of convenant between ׳י & Abraham Genesis 15:9 (J); in Abraham's sacrifice 22:13 (twice in verse) (E); Balaam's sacrifice Numbers 23:1 5t. Numbers 23 (JE); so in ritual (P), (a) in consecration ceremony of Aaron & his sons Exodus 29:1 15t. Exodus 29 (מִלֻּאִים ׳א 29:22 compare 29:26; 29:27; 29:31) Leviticus 8:2 8t. Leviticus 8 (׳א הַמִּלֻּאִים 8:22; 8:29 ׳א הָעֹלָה 8:18); (b) in guilt-offering (אָשָׁם) 5:15-16, 18; Leviticus 5:25; 19:21-22, compare Ezra 10:19 & ׳א הַכִּמֻּרִים Numbers 5:8; (c) burnt-offering (עֹלָה) Leviticus 9:2 & Numbers 15:6, 11 & Ezekiel 46:4-5, 6, 7, 11, on day of atonement Leviticus 16:3, 5, Pentecost 23:18; (d) peace-offering (שְׁלָמִים) 9:4, 18, 19; beginning of month Numbers 28:11-12, 14; compare 29:2-3, passover 29:19; 29:20 compare Ezekiel 45:23-24, day of firstfruits Ezekiel 45:27; Ezekiel 45:28; in 7th month 29:8 18t. Numbers 29; (e) in law of Nazarite Numbers 6:14, 17, 19; (f) in consecration of altar of tabernacle 7:15 25t. Numbers 7, compare consecration of Ezekiel's temple-altar Ezekiel 43:23, 25; (g) more Generally 1 Samuel 15:22; Isaiah 1:11; Micah 6:7; Job 42:8; Psalm 66:15, also Isaiah 34:6; 60:7; at bringing ark to Jerusalem 1 Chronicles 15:26; others occasions 29:21; 2 Chronicles 13:9; 29:21-22, 32; Ezra 8:35; compare figurative Jeremiah 51:40; Ezekiel 39:18.
3 מְאָדָּמִים אֵילִים עֹרֹת rams' skins dyed red, of covering of tabernacle Exodus 25:5; 26:14; 35:7, 23; 36:19; compare 39:34 (all P).
II. אַ֫יִל noun [masculine] projecting pillar or pilaster — ׳א absolute 1 Kings 6:31 (but see below) construct id. Ezekiel 40:14 (but strike out Co):16 (Co better אֵילָיו); אֵיל 41:3, אֵל 40:48; plural אֵילִים 40:14 +; אֵילִם 40:10; suffix אילו Kt 40:9 7t.; אלו Kt 40:29 2t. Qr (in all) אֵלָיו אֵילָיו,; אֵלֵיהֵמָֿה 40:16; — pilaster or projection in wall at each side of entrance (compare BöProben, 302; NÄ 927), in Solomon's temple 1 Kings 6:31 (BöNÄ 525 reads אֵילָם), in Ezekiel's temple Ezekiel 40:9-10, 14t. Ezekiel 40..41 + 40:14 a Ew Hi Co אילם compare ᵐ5 B; 40:38 read אילם so Sm Co compare ᵐ5; 40:14 b Co strike out ׳א.
III. [אַ֫יִל?] noun masculine leader, chief (= ram, as leader of flock ? compare Di Exodus 15:15 Ol§142 f LagBN 170 & see Ezekiel 34:17) — construct אֵל 31:11; plural construct אֵילֵי Exodus 15:15; Ezekiel 17:13 + 2 Kings 24:15 Qr (Kt אולי see אוּל); אֵלֵי Ezekiel 32:21 (strike out Co, see ᵐ5). — leader, chief ׳א מוֺאָב Exodus 15:15; ׳א הָאָרֶץ Ezekiel 17:13; 2 Kings 24:15 Qr; ׳א גּוֺיִם Ezekiel 31:11 (אֵלִים Job 41:17 see below אלה; perhaps אֵלֵיהֶם Ezekiel 31:14 but compare below IV. איל & also אֶל Note 1).
IV. [אַ֫יִל?] noun masculine terebinth (probably as prominent, lofty tree, see Di Genesis 12:6; 14:6) — construct אֵיל only proper name מָּארָן אֵיל see below; plural אֵילִים Isaiah 1:29; אֵלִים 57:5 construct אֵילֵי 61:3; suffix אֵלֵיהֶם Ezekiel 31:14 (> strike out Co. see ᵑ8 ᵑ9 [Arabic Versions]). — terebinth (compare אֵלָה); as marking idol-shrines Isaiah 1:29; 57:5 (so Che Di etc. > gods); figurative of ransomed ones of Zion הַצֶּדֶק אֵילֵי; perhaps of haughty ones Ezekiel 31:14.