Where does “nhảy cừu” come from?

nhảy cừu (Vietnamese) comes from Old Portuguese cuu, from Latin cūlus, from Proto-Celtic kūlos, from Proto-Indo-European ḱuH-ló-, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

Ancestry of “nhảy cừu”, step by step

nhảy cừu traces back through two separate lines of ancestry.

via Old Portuguese cuu

StepLanguageWordMeaning
1Old Portuguesecuu
2Latincūlusthe arse, ass
3Proto-Celtickūloscorner
4Proto-Indo-EuropeanḱuH-ló-
5Proto-Indo-European(s)kewH-to cover, bedeck; cover

via Vietnamese nhảy

StepLanguageWordMeaning
1Vietnamesenhảyto jump, to leap, to dive; to hop; to dance
2Proto-Vieticʄas
Every word from Proto-Indo-European (s)kewH-