English
rainprint
From rain + print.
Today it means
noun One of the small pits seen on the surface of some argillaceous rocks, believed to be the impressions of raindrops.
Sources
Sources: Wiktionary, “rainprint”. 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 / rainprint