forspeak
transitive verb
for·speak
fə(r)ˈspēk
1
now dialectal British : to cast a bad spell over : bewitch especially by immoderate praise
don't boast about the child, lest you forspeak him
2
obsolete : to speak against : asperse
Word History
Etymology
Middle English forspeken to cast a bad spell over, speak evil of, from Old English forspecan, forsprecan to speak in vain, deny, denounce, from for- + specan, sprecan to speak