addition; supplement; accompaniment
Refers to something added as an extra or accessory, often secondary to the main item. Can be used for physical objects, side dishes, or figurative additions.
This dish comes with a salad as a side.
His opinion was merely an afterthought.
Standard kanji spelling; commonly used in news and everyday contexts.
Compound of 添え (soe, 'adding, attaching') + 物 (mono, 'thing'). The exact historical derivation is uncertain, but the word has been used since at least the early modern period to refer to something added as a supplement.