ex- ‘out of’ + corrigere ‘set right’ (see correct)

noun | ˈesˌkôrt |

a person, vehicle, ship, or aircraft, or a group of these, accompanying another for protection, security, or as a mark of rank:

護衛者, 兵, 艦, 機, 車; 〖集合的に〗護衛団.

e.g. a police escort

e.g. he was driven away under armed escort.

a man who accompanies a woman to a particular social event:

(パーティなどへの)付き添い, エスコート役の人 (!主に女性に付き添う男性)

e.g. Louise and her escort were given the best table.

a person who may be hired to accompany someone to a social event:

(金で雇われた)エスコート役 (!主に女性)

e.g. as modifier : an escort agency.

euphemistic a prostitute.

｟主に米/遠回しに｠ (エスコート役の)売春婦

verb | iˈskôrt | with object

accompany (someone or something) somewhere, especially for protection or security, or as a mark of rank:

«…から/…へ» 〈人〉に付き添う, …を案内する(around) «from/to, into»

e.g. Shiona escorted Janice to the door

«…から/…へ» 〈人〉を護衛, 護送, 警護する «from/to, into» .

e.g. the shipment was escorted by armed patrol boats.

late 16th century (originally denoting a body of armed men escorting travelers): from French escorte (noun), escorter (verb), from Italian scorta, feminine past participle of scorgere ‘to conduct, guide’, based on Latin ex- ‘out of’ + corrigere ‘set right’ (see correct).