Etymograph

English

subspan

From sub- + span.

Formed from sub- + span

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *(s)pend- ‘to stretch’

Proto-Germanic *spannō ‘span, handbreadth’

Old English spann

Middle English spanne ‘a span’

English span

Today it means

adj Relating to short-term memory

Sources

Sources: Wiktionary, “subspan”. 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 / subspan