Where does “không bao giờ” come from?

không bao giờ (Vietnamese) comes from Vietnamese bao giờ, from Vietnamese báo, from Chinese 豹, from Chinese 駁, from Proto-Sino-Tibetan *prawk — to be speckled, variegated, spotted.

không bao giờ (Vietnamese): never

Definitions

never

Ancestry of “không bao giờ”, step by step

không bao giờ traces back through two separate lines of ancestry.

via Vietnamese bao giờ

Step	Language	Word	Meaning
1	Vietnamese	bao giờ	when, how long until
2	Vietnamese	báo	a leopard; a spotted panther; a jaguar or a snow...
3	Chinese	豹	—
4	Chinese	駁	—
5	Proto-Sino-Tibetan	*prawk	to be speckled, variegated, spotted

via Vietnamese không

Step	Language	Word	Meaning
1	Vietnamese	không	not; idly, without doing anything; not have; to...
2	Chinese	空	empty, hollow
3	Proto-Sino-Tibetan	(g/k)uŋ	hole; orifice; hole; orifice; inner part

Every word from Proto-Sino-Tibetan *prawk →Every word from Chinese 駁 →Every word from Chinese 豹 →