כָּסַל kâçal — properly, to be fat, i.e. (figuratively) silly
Translated in the KJV as be foolish.
a primitive root; properly, to be fat, i.e. (figuratively) silly.
kâçal in each stem
Qal (Pa'al)
Simple · active — the plain action; the subject does it
Imperfect (yiqtol) 1
וְיִכְסָ֑לוּ Jer 10:8 Imperfect (yiqtol), 3rd person masculine plural
But they are altogether brutish and foolish: the stock is a doctrine of vanities.
What the stems mean
A Hebrew verb is its root letters set into a pattern. The pattern — the binyan — is the grammar's way of saying three things at once: whether the action is simple, intensive or causative, and whether its subject is active, passive or reflexive. That is why one Hebrew word can need six English ones. All seven binyanim, explained ›