Wanderwort. Without taking a side in the debate, it should be noted that Proto-Uralic *uškɜ (“ox, bull”) might be accepted as being derived from PIE, per the...
Proto-Turkic: *öküŕ (“ox, bull”) (see there for further descendants) →? Proto-Uralic: *uškɜ (“ox, bull”) (see there for further descendants) Proto-Indo-Iranian:...