grelot

From Old Burgundian grilot 'small bell', Lorraine grillot 'bell', Old French grillotis 'sound, murmur', (1668) attacher le grelot 'to tie the bell', (1547) trembler le grelet 'to tremble from cold'; (1807) Lorraine avoir le grelot 'to be afraid'. From Middle High German grillen (to cry angrily), grellen ('id.'), grüllen ('to growl'), related to Middle Dutch grollen ('to growl'), Old French grouller, greuler 'to shiver', Namur grûler 'to murmur', English grill 'to provoke, anger', etc., from a Germanic root with vowel alternation grill-/grell-/groll-/grüll-, see Latin grunnio.