A primitive root; to soften (intransitively or transitively), used figuratively -- (be) faint((-hearted)), mollify, (be, make) soft(-er), be tender.
H7401. rakak
[רָכַךְ] verb be tender, weak, soft (Arabic Aramaic רְכַךְ (in derived species and derivatives), , id.); —
Qal Perfect3masculine singular רַךְ 2 Kings 22:19; 2 Chronicles 34:27; 3 plural רַכּוּ Psalm 55:22; Imperfect יֵרַךְ (Ges§ 67p) Isaiah 7:4 +; —
1 be tender, weak, of heart :
a. be timid, fearful, "" יַרֵא, Isaiah 7:4; Jeremiah 51:46; Deuteronomy 20:3.
b. be softened, penitent, "" כָּנַע Niph`al, 2 Kings 22:19 2 Chronicles 34:27.
2 be soft, of treacherous words Psalm 55:22 (with מִן compare; "" II. חָלַק).
Pu`al Perfect3feminine singular רֻכְּכָה Isaiah 1:6 it has not been softened, mollified, with oil (of wound, מַכָּךְ).
Hiph`il Perfect3masculine singular לִבִּי הֵרַךְ וְאֵל Job 23:16 (Ges§ 67v), causative of Qal 1 a.