Etymograph

English

speedcube

From speed + cube (to solve a Rubik's cube, verb).

A compound of speed + cube

Proto-Indo-European *speh₁- ‘to prosper’

…

Proto-West Germanic *spōan ‘to succeed’

Proto-West Germanic *spōdi ‘prosperity’

Old English spēd ‘success’

Middle English sped ‘prosperity’

English speed

Ancient Greek κύβος

Latin cubus ‘a cube’

Old French cube

English cube

Today it means

noun A puzzle identical in form and function to a Rubik's Cube but often having a different internal mechanism, and designed for optimal speed of use.

Sources

Sources: Wiktionary, “speedcube”. 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 / speedcube

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