The story
From melt (verb) + down (adverb), a deverbal from melt down (verb).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An act or process of melting. Full definition →
From melt (verb) + down (adverb), a deverbal from melt down (verb).
Etymology from Wiktionary, CC BY-SA 4.0.