The story
- semantic loan from Singapore Hokkien · borrowed from緊張“nervous; stressed”
- Cantonese · derived from緊張 /紧张
- English todaykan cheong
From Cantonese 緊張 /紧张 (gan² zoeng¹), by way of Singapore Hokkien 緊張 /紧张 (kán-chiong, “nervous; stressed”).
Etymology from Wiktionary, CC BY-SA 4.0.