traiter

to treat (someone) (a particular way); to render treatment (usually medical); to process, spray, coat; to process; to call, to label (someone)

“bien traiter quelqu'un” — to treat someone well

Inherited from Middle French traicter, from Old French tretier, traitier, traiter, from Latin tractāre (“to pull, manage”), from the past participle stem of trahō (“to draw, pull”) (cf. tractus, whence French trait). See also tracter.