buckling

buckling · noun, adjective, verb¹

From the verb to buckle, equivalent to buckle + -ing.

buckling · noun²

1. Proto-Indo-European*bʰuǵ-
2. Proto-Germanic*bukkaz
3. Proto-Germanic*bukkô
4. Proto-West Germanic*bukkō
5. Old Englishbucca
6. Middle Englishbukke
7. Englishbuck
8. English todaybuckling

From buck + -ling.

buckling · noun³

1. Swedish · borrowed fromböckling
2. German · borrowed fromBückling
3. English todaybuckling

From German Bückling or Swedish böckling. Cognate with Middle High German bockinc and Middle Dutch bocking (itself from bok (“buck”), referencing the foul smell).