English
supratidal
From supra- + tidal.
Proto-Indo-European *úp
…
Proto-Italic *superos ‘upper’
Proto-Italic *superād ‘above’
Old Latin suprād
Latin suprā ‘above, on the top, on the upper side’
English supra-
Today it means
adj Describing the marginal zone above the level of high tide
Sources
Sources: Wiktionary, “supratidal”. 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 / supratidal