con + geal..geal...gelatinous..means to coagulate
con geal here geal sounds like jelly so congeal = co + jelly
con(together)+geal(jell)...jell together..nothing but solidify
eal(eel)- eel is generally found in the frozen area,water that is coagulated..
congeal=con(become)+geal(gelly)...g=becoming thicker(gelatin type)....
SOUNDS LIKE ANGEER , which is a dry fruit so its thick