פָּזַז
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (Strong)
a primitive root (identical with פָּזַז); to solidify (as if by refining); also to spring (as if separating the limbs): leap, be made strong.
a primitive root; to refine (gold): best (gold).