תַּנִּין
From LSJ
Καὶ τῶν λεγόντων εὖ καλὸν τὸ μανθάνειν → It is a fine thing to learn from those who speak well
English (Strong)
or tanniym (Ezek. 29:3); intensive from the same as תַּנִּים; a marine or land monster, i.e. sea-serpent or jackal: dragon, sea-monster, serpent, whale.