- a bhàn
- bhàn, a bhàndown; by eclipsis for a(n) bh-fàn, "into declivity", from fàn, a declivity, Irish, Old Irish, fán, proclive, Welsh gwaen, a plain, planities montana, *vag-no-, root, vag, bow, etc., Latin vagor, wander, German wackeln, wobble. Irish has also fán, a wandering, which comes near the Latin sense. In Sutherlandshire, the adj. fàn, prone, is still used.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.