Question

what is the root form of powerful​

Answer 1

Answer:

ful. Sense of "capable of exerting great force or power" is from 1580s. Meaning "of great quality or number" is from 1811; hence the colloquial sense of "exceedingly, extremely" (adv.) is from 1822

Answer 2

Answer:

1400, pouerful, "mighty, having great strength or power," from power (n.) + -ful. Sense of "capable of exerting great force or power" is from 1580s.