The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
bhardh--
DEFINITION:
Beard. 1.beard, from Old English beard, beard, from Germanic *bardaz.2.halberd, from Old High German barta, beard, ax, from Germanic *bard, beard, also hatchet, broadax. 3.barb1, barbel1, barbellate, barber, barbette, barbicel, barbule; rebarbative, from Latin barba, beard. (Pokorny bhardh 110.)