What the word names now
In current English a chandler is usually a specialist dealer, most often a ship's chandler who sells rope, fittings, paint, and other stores for boats. Dictionaries still keep the older trade as well: a maker or seller of candles, and frequently of soap. In large historic households the same title could belong to the servant who issued candles and looked after the lighting. The three jobs look unrelated until the French source is in view. They are one occupational name stretched across new stock, not three separate coinages.
People who go looking for the origin of the word chandler sometimes assume a native compound of candle plus an English agent ending. The opening ch- already points the other way. Candle entered Old English from Latin. The trade name arrived much later through French and kept the French consonant.
Borrowed from French
Middle English wrote chaundeler and chandeler. Both forms come from Old French chandelier, with a close Anglo-Norman variant chandeler. In French the noun meant a candle-maker or candle-seller, and also the officer who kept a household, monastery, or similar house in light. The same French word could mean a candlestick. English later took chandelier a second time, in the eighteenth century, for a hanging cluster of lights. That later loan is a sibling of the trade name, not a word that shrank into it.
As a common noun the craft term is solidly recorded in the later fourteenth century. Guild rules from 1389 already send members to the chandlers by early morning. Occupational surnames show up a little earlier: the name is attested from the late thirteenth century, and a form Shaundeler is cited from 1332. First-use dates therefore shift slightly according to whether a family name or an ordinary noun is counted. Either way the word is a Middle English borrowing, not an Old English inheritance.
English already had a home-grown label for the same work. Candleman is on record from the mid-thirteenth century, before chandler is common in running text. The French form won the later contest, which is why modern English keeps ch- in the trade name while candle itself begins with c-.
Agent suffix and a verb of shining
Old French chandelier is chandelle, the ordinary French word for a candle, plus the suffix -ier, which marks a person tied to a thing or a trade. Chandelle goes back to Latin candela. Medieval Latin candelarius, a candle-maker, is the learned counterpart, built with the agent ending -arius on the same noun. Some dictionaries set a reconstructed Vulgar Latin form of that type behind the French word; others cite the medieval Latin noun as attested. The difference is a matter of how far the reconstruction is pushed. The Latin candle-word itself is not in dispute.
Candela comes from candere, to shine, glow, or be bright white. That verb is the deeper Latin root of the whole set. Comparative work reconstructs a Proto-Indo-European root *kand- meaning to shine; Sanskrit cand- and candra, Latin candere, and Welsh cann are placed in that family. The starred form is a scholarly inference, not a surviving ancient spelling, but the Latin step is secure.
The same shine-root feeds English words that never passed through a candle shop: candid and candidate, from the white toga of a Roman seeker of office; candor; incandescent; incense. Those are cousins at the Latin level, not loans of the French craft term. Direct Romance kin of the candle noun include French chandelle and Spanish candela. Irish coinneal and Welsh canwyll also rest on Latin candela, taken into Celtic independently of the English trade word.
Once the French layer is stripped, the makeup is plain: the candle plus an agent ending. Stories that treat the person as a clipped form of the hanging fixture reverse the timeline. The fixture is the later English borrowing. The person came first.
From wax and tallow to grain and cordage
Medieval English often marked the raw material. A wax-chandler worked in beeswax, the dearer and cleaner light of churches and great houses. A tallow-chandler worked in animal fat, the everyday light of ordinary rooms. Those compounds keep the original craft in sight.
The word could also name the object. From the early fourteenth century, and later in northern and Scottish dialect, it could mean a candlestick. As the hanging-light spelling chandelier settled in standard English, the two forms split by sense: chandelier for the fixture that hangs, chandler for the person.
The main widening of meaning comes in the later sixteenth century. By the 1580s a chandler could be a retailer of provisions and small household goods, not only candles. A shop of that kind might still sell lights, but butter, cheese, fuel, pots, and other groceries sat beside them. Period writers sometimes used the label with a slight sneer, as if the counter were a jumble of cheap wares. That general grocer sense later faded in British English and is now treated as obsolete there.
Once the word meant dealer, speakers built new compounds that had nothing to do with wax. A corn-chandler sold grain. A ship-chandler, recorded from the 1630s and 1640s, supplied vessels with cordage, canvas, powder, and other stores. That maritime specialism is the sense most likely to survive beside a modern marina. When the ship- prefix is dropped, the word on a harbour still usually means the outfitter, not the candlemaker. The craft sense has not died; specialist makers still claim the old title, but everyday speech has followed the docks.
The household officer lasted as well. From the later Middle Ages into descriptions of great houses, the chandler could be the servant responsible for candles, whether or not that person poured them.
What the spelling still shows
The sharpest reminder of the history is the mismatch with candle. Both rest on Latin candela, but they reached English by different roads and at different times. Candle is an early Latin church word in Old English. The trade name is a later French occupational label. English kept both, then stretched the French name from light to stores. A ship's supplier on a quay is, in etymology, still a candle-seller whose stock list grew.