The story
- Proto-Germanic · derived from*kweþaną“to say”
- Proto-Germanic · inherited from*kwaþ
- Old English · inherited fromcwæþ
- Middle English · inherited fromquoth
- English todayquoth
From Middle English quoth, quath, from Old English cwæþ (first and third person past indicative of cweþan (“to say, speak to, address, exhort, admonish”)), from Proto-Germanic *kwaþ (first and third person past indicative of Proto-Germanic *kweþaną (“to say”)). Unrelated to quote.
Etymology from Wiktionary, CC BY-SA 4.0.