Etymology tree Proto-Indo-European *(s)ker- Proto-Germanic *skurō Old Norse skorder. Old English scoru Middle English score English score Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English scorer From score + -er.