Etymograph

English

smoothrunning

From smooth + running.

Formed from smooth + running

Proto-West Germanic *smanþī ‘flat’

Old English smēþe

Middle English smothe

English smooth

Today it means

adj That operates in a smooth, trouble-free manner.

Sources

Sources: Wiktionary, “smoothrunning”. 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 / smoothrunning