Etymograph

English

sludgecore

From sludge + -core.

Formed from sludge + -core

Proto-Germanic *slakaz ‘weak, lazy’

Old Norse slókr ‘oaf (elf's child)’

Middle English slugge ‘lazy person’

English sludge

Today it means

noun A genre of music, sludge metal.

Sources

Sources: Wiktionary, “sludgecore”. 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 / sludgecore