Combines
年货 'merchandise sold for Chinese New Year' (per CC-CEDICT) — the snacks, candies, mandarin oranges, sausages, gifts, decorations and clothes households stock up on — with
节 'festival'. The traditional concept of
办年货 (laying in New Year supplies at brick-and-mortar markets) was rebranded by Taobao / JD around 2016 into a January shopping campaign.