depth

The story

1. Proto-Germanic · inherited from*diupiþō“depth”
2. Old English · inherited from*dīepþ“depth”
3. Middle English · inherited fromdepthe
4. English todaydepth

From Middle English depthe, from Old English *dīepþ (“depth”), from Proto-Germanic *diupiþō (“depth”), equivalent to deep + -th (abstract nominal suffix). Cognates Cognate with Scots deepth, Saterland Frisian Djüpte, West Frisian djipte (“depth; abyss, chasm”), Dutch diepte, German Low German Deepd, Luxembourgish Déift, Danish, Norwegian Bokmål dybde (“depth”), Faroese dýpd (“depth”), Icelandic dýpt, Norwegian Nynorsk djupt, dypt, and Gothic 𐌳𐌹𐌿𐍀𐌹𐌸𐌰 (diupiþa, “depth”); further to Old English diepe, German Tiefe, Icelandic dýpi, Norwegian Nynorsk djup, djupn, Swedish djup.