the.com/reseller

means Someone or something that buys goods or services and sells them again to someone else, usually at a markup, without being the original producer.

from Straightforward carpentry: the prefix 're-' (again) bolted onto 'sell,' which traces back through Old English 'sellan,' meaning to give, hand over, or deliver up — a sense you can still feel faintly when a reseller hands your money's worth back to you, minus a cut.