The Proto-Indo-European word *pau-
Word *pau-
Meaning little, few
See also Proto-Indo-European: *putlós ‘son’

Comments
Mallory J.P. and Adams D. (2006)

Other words that might be of interest
*mel- ‘strong, big’, *pau- ‘small’, *dluh₂gʰó- ‘long’, *mei- ‘small’, *meĝ- ‘great’, *mreĝʰú- ‘short’, *ténus ‘long, thin’, *were- ‘wide, broad’, *ānos ‘circle, ring’, *dl̥h₁ghós ‘long’, *dlonghos ‘long’, *h₃érbʰis ‘circle, orb’, *wérhₓus ‘broad, wide’, *mak- ‘long, thin’, *meĝha- ‘large, great’, *mr̥ĝhus ‘short’, *makrós ‘thin, long’, *pl̥th₂ú- ‘wide, broad’, *seh₁ros ‘long’