bhrū- Eyebrow. Oldest form *bhruhx‑, becoming *bhrū.
brow, from Old English brū‑, eyebrow, eyelid, eyelash, from Germanic *brūs.
Possibly in the sense of a beam of wood, and perhaps a log bridge. bridge1, from Old English brycg(e), bridge, from Germanic *brugjō (with cognates in Celtic and Slavic).