Arrange
late Middle English: from Old French arangier, from a- (from Latin ad ‘to, at’) + rangier ‘put in order’ (see range).
wiktionary
Inherited from Middle English arengen, arrangen(“to draw up a battle line”), borrowed from Old French arengier, arrangier(“to put in a line, put in a row”), derived from reng, rang, ranc(“line, row, rank”), from Frankish *hring(“ring”), from Proto-Germanic *hringaz, ultimately from Proto-Indo-European *(s)krengʰ-, a form of Proto-Indo-European *(s)ker-(“to turn, bend”).
etymonline
arrange (v.)
late 14c., arengen, "draw up a line of battle," from Old French arengier "put in a row, put in battle order" (12c., Modern French arranger), from a- "to" (see ad-) + rangier "set in a row" (Modern French ranger), from rang "rank," from Frankish *hring or a similar Germanic source, from Proto-Germanic *hringaz "something curved, circle," from nasalized form of PIE root *sker- (2) "to turn, bend."
A rare word until the meaning generalized to "to place things in order" c. 1780-1800. Meaning "come to an agreement or understanding" is by 1786. Musical sense of "adapt for other instruments or voices" is from 1808. Related: Arranged; arranging. Arranged marriage attested from 1854.
