लम्ब्

Etymology
Of uncertain origin. Perhaps from ; compare 🇨🇬 and 🇨🇬. Not related to. The "support" meanings may have been influenced by the separate root, a byform of.

Root

 * 1) (cf. √1. रम्ब्) cl.1 Ā. (Dhātup. x, 15) लम्बते (mc. also °ति ; pf. ललम्बे MBh. &c. ; aor. अलम्बिष्ट Gr. ; fut. लम्बिता ib. ; लम्बिष्यति MBh. ; inf. लम्बितुम् ib. ; ind.p. -लम्ब्य ib.), to hang down, depend, dangle, hang from or on (loc.) Suparṇ. MBh. &c.
 * 2) to sink, go down, decline, fall, set (as the sun) MBh. Kāv. &c.
 * 3) to be fastened or attached to, cling to, hold or rest on (loc.) ib.
 * 4) to fall or stay behind, be retarded Sūryas.
 * 5) to tag, loiter, delay, tarry MBh. : Caus. लम्बयति (aor. अललम्बत्), to cause to hang down or depend, let down Kathās.
 * 6) to hang up, suspend ib.
 * 7) to cause to be attached or joined MW.
 * 8) to stretch out, extend (the hand) for (dat.) Ragh.
 * 9) (prob.) to depress, discourage MBh. i, 1445 (C. लङ्घयित्वा for लम्बयित्वा): Desid. लिलम्बिषते, to be about to sink or decline Hcar. v.l. ([cf. Gk. λοβός ; Lat. labi, labare, labes ; Germ. lappa, Lappen ; Eng. lap, limp.])