English
subsidation
From subside + -ation.
Today it means
noun subsidence; sinking to a lower level as from geological activity
Sources
Sources: Wiktionary, “subsidation”. 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 / subsidation