The derivation of this word's Indo-European root is unique: reduplicating a zero-grade thematic noun; derivatives include the Tocharian for "army".
The derivation of this word's Indo-European root is unique: reduplicating a zero-grade thematic noun; derivatives include the Tocharian for "army". That this root was inherited in many daughter languages, along with the spread of the word for (*) "horse", lends credence over the Anatolian Hypothesis to the Kurgan Hypothesis, since the latter civilization had this technology. For 10 points, name this object represented by the Hindu chakra, the Latin rota, and the Greek kyklos.
The derivation of this word's Indo-European root is unique: reduplicating a zero-grade thematic noun; derivatives include the Tocharian for "army".
the {wheel} (accept obvious equivalents; accept {*kwe}-{kwl}-{o})