Asked if Gabriel's comment had crossed a line, Root added: "I think it should stay on the field".
The Sky Sports cricket expert and columnist insisted that while there was now no evidence of any wrong-doing by Gabriel, Root's reaction sent an important message.
West Indies fast bowler Shannon Gabriel has been banned for the first four one-day internationals against England.
Stump microphones did not pick up Gabriel's initial remarks, but he was spoken to about his language by the umpires at the time.
"It was a good hard scrap for most of it which was really enjoyable because sometimes when things aren't quite happening for you you think you're battling a little bit".
"It's nice to show some people who've probably doubted me in the past, I've even doubted myself that I can do it, but I wouldn't say I'm out of the woods yet".
Bebe Rexha Addresses Size Discrimination at Grammys Following Viral Video
However, a little after receiving her nominations, she we shocked to discover that many designers did not want to dress her. The singer topped off her look with a sparkly necklace with matching and went with a half-up hairstyle to tie in the look.
Rare Animal Sighted in Kenya for the First Time in 100 Years
But a British wildlife photographer has become the first person to photograph the black leopard in more than a century. The animal - whose coat is sooty black as a result of melanism, the opposite of albinism - is extremely rare.
Floyd Mayweather Planning Another Fight With Tenshin Nasukawa
He got an exhibition bout with the guy Tenshin in Japan, in April. "I'm extremely proud of Tank", Mayweather said. He stopped the Japanese star inside the very first round after knocking him down three times.
Root shook his head at Gabriel before moving on to get on with the game.
Root went on to produce a terrific display, racking up 111 runs not out to end the day with England sitting on 325-4 ahead of the fourth day.
His rediscovered self-belief came to fruition on the second day in St Lucia, but he had had to wait for the opportunity after being a late call-up to the England squad in the Caribbean when Olly Stone returned home with a back injury before the first Test.
"Gabriel already had five demerit points against his name for two earlier incidents - three demerit points during the Jamaica test against Pakistan in April 2017 and two demerit points in the Chittagong test against Bangladesh last November", the ICC said in a statement.
His dismissal broke a unsafe 38-run stand with Buttler, who survived a chance off speedster Shannon Gabriel before he had scored, to face 40 deliveries and strike three fours.
However, he did state that West Indies Cricket will investigate the matter if further allegations are reported. "This calm and firm response will make a difference in ways we may never see and never know", she tweeted.