arranger

Etymology tree
Proto-Indo-European *h₂éd
Proto-Italic *ad
Proto-Italic *ad-
Latin ad-
Old French a-
Proto-Indo-European *(H)rek-der.
Proto-Celtic *reketi
Gaulish *rekosbor.?
Proto-Indo-European *h₃reǵ-der.
Proto-Germanic *rinkanąder.
Proto-Germanic *rankaz
Frankish *rankbor.?
Vulgar Latin *rencus
Old French reng
Proto-Italic *-āzi
▲
Latin -ereinflu.
Latin -āre
Old French -ier
Old French rengier
Old French arangierbor.
Middle English arengen
English arrange
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 arranger
From arrange + -er.