Why was this 2 step (left-right) Eurostep from DiVicenzo called a travel

Mike Brown Over here you called it a foul but over there you called it a travelRef Marc Davis Ah sht you're right

Lowlight Jordan Clarkson gets caught with the euro 3-step

Lowlight Obvious travel by Ant goes uncalled

Chet Travels and no call made

James Harden scores the jumper over Isaiah Stewart but he gets called for the traveling violation - a double dribble Harden protests

I am very new NBA fan tonight was my very first NBA game Quick question what it this move called