Synonyme
cogwheel,
differential,
fang,
gear,
pinion,
prong,
rack,
ratchet,
tine,
tooth,
transmission,
tusk,
wheelEtymologie
() From Middle English cogge, from Middle Dutch kogge, cogghe (modern kogge), from Proto-Germanic *kuʒʒō (compare German Kock (“cogboat”), Norwegian cog (gear tooth)), from Proto-Indo-European *gugā (“hump, ball”) (compare Lithuanian gugà (“pommel, hump, hill”)), from *gēu- (“to bend, arch”). See below.