The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
bhendh-
DEFINITION:
To bind. Derivatives include bind, bandanna, and bundle. 1a.bind; woodbine, from Old English bindan, to bind; b.bindlestiff, from Old High German binten, to bind. Both a and b from Germanic *bindan.2.bandanna, from Sanskrit bandhati, he ties. 3. O-grade form *bhondh-.a.bend2; ribbon, from Old English bend, band, and Old French bende, band; b.bend1, from Old English bendan, to bend; c.band1, bond, from Old Norse band, band, fetter; d.gum band, from Old High German band, band; e.band1, from Old French bande, bond, tie, link. a–e all from Germanic *band-.4. Suffixed form *bhond-o-.bund1; cummerbund, from Old Iranian banda-, bond, fetter. 5. Zero-grade form *bhdh-.a.bund2, from Middle High German bunt, league; b.bundle, from Middle Dutch bondel, sheaf of papers, bundle. Both a and b from Germanic *bund-. (Pokorny bhendh- 127.)
dh-. a. bund2, from Middle High German bunt, league; b. bundle, from Middle Dutch bondel, sheaf of papers, bundle. Both a and b from Germanic *bund-. (Pokorny bhendh- 127.) 
