yāšar יָשַׁר ‘to smooth’ (Hebrew)

Etymology^?: a primitive root

yāšar v
1) to be right, be straight, be level, be upright, be just, be lawful, be smooth
 1a) (Qal)
  1a1) to go straight
  1a2) to be pleasing, be agreeable, be right (fig.)
  1a3) to be straightforward, be upright
 1b) (Piel)
  1b1) to make right, make smooth, make straight
  1b2) to lead, direct, lead straight along
  1b3) to esteem right, approve
 1c) (Pual) to be made level, be laid smoothly out
 1d) (Hiphil) to make straight, look straight