English
sideproduct
From side + product.
Proto-Indo-European *seh₁- ‘to impress, insert’
Proto-Germanic *sīdaz ‘drooping, hanging down, pendulous, long, trailing’
Proto-Germanic *sīdǭ ‘side’
Old English sīde ‘side’
Middle English side ‘side’
English side
Proto-Indo-European *dewk- ‘to pull, to draw’
Proto-Indo-European *déwkti ‘to pull, to draw’
Proto-Italic *doukō ‘to lead’
Latin dūcō ‘to lead, guide, conduct, lead away’
Latin prōdūcō ‘to lead or bring forth, forward or out’
Latin prōductus ‘brought forth, forward or out, having been brought forward’
Middle English product
English product
Today it means
noun Byproduct.
Sources
Sources: Wiktionary, “sideproduct”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / sideproduct