The story
- Proto-Germanic · derived from*slagōną“to strike”
- Proto-Germanic · derived from*slaggô
- Proto-West Germanic · derived from*slaggō
- Old Saxon · derived from*slaggo
- Middle Low German · borrowed fromslagge
- English todayslag
Borrowed from Middle Low German slagge, slaggen (“slag, dross”), from Old Saxon *slaggo, from Proto-West Germanic *slaggō, from Proto-Germanic *slaggô, from Proto-Germanic *slagōną (“to strike”) + *-gô (diminutive suffix). Compare Middle Low German slāgen (“to strike”), since originally the splinters struck off from the metal by hammering, from *slagōn, from Proto-West Germanic *slagōn. Compare also Old Saxon slegi, from Proto-West Germanic *slagi. See also Dutch slak, German Schlacke, Swedish slagg; also compare English slay.
Etymology from Wiktionary, CC BY-SA 4.0.