(Greek: scratch, tickle, itch, sting)

(Latin: impel, goad, sting, spur, incentive, full of incentives)

(Greek: a strong desire, orgasm; the sting of a gadfly, anything that drives one mad)

(Latin: pungere, punctum to strike, to hit, to punch, to pierce, to puncture, to point, to sting, to bite; a dot, a mark; a point, a sharp point, a pinpoint)