fronsir
LvP
v. a.
a. 'froncer, rider'
b. 'plisser'
c. 'briser, fausser'
Rn 3:401a [froncir, fronzir, fruzir ]; Lv 3:605a
FEW 16:255a [*ʜʀᴜɴᴋᴊᴀ].