"dere ⇌ tum / [-spread -lat -labdent]*[c-d-g-k-t][e-r-ē][e-n-ē]_" . . . "dere ⇌ tum / [-spread -lat -labdent]*[c-d-g-k-t][e-r-ē][e-n-ē]_" . .