English
swimmability
From swim + -ability.
Formed from swim + -ability
Proto-Indo-European *swem(bʰ)- ‘to be unsteady, move, swim’
Proto-Germanic *swimmaną ‘to swim’
Proto-West Germanic *swimman ‘to swim’
Old English swimman ‘to swim, float’
Middle English swymmen ‘to swim’
English swim
Today it means
noun The quality or degree of being swimmable, especially in terms of water being sufficiently unpolluted to be safely used for swimming.
Sources
Sources: Wiktionary, “swimmability”. 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 / swimmability