Where does “claypit” come from?

claypit (English) comes from English pit, from Middle English pit, from Old English pytt, from Proto-West Germanic puti, from Latin puteus, from Latin -al — noun-forming suffix.

Ancestry of “claypit”, step by step

claypit traces back through two separate lines of ancestry.

via English pit

StepLanguageWordMeaning
1EnglishpitA hole in the ground; An area at a racetrack used...
2Middle Englishpit—
3Old Englishpyttpit; well, pool; grave
4Proto-West Germanicputiwell
5Latinputeuspit, dungeon; well; cistern
6Latin-alnoun-forming suffix

via English clay

StepLanguageWordMeaning
1EnglishclayA mineral substance made up of small crystals of...
2Middle Englishcleyclay, plaster, or earth like clay; Any earth or...
3Old Englishclǣġclay
4Proto-West Germanicklaijclay
5Proto-Germanicklajjazclay
6Proto-Indo-European*gley-—
Every word from Latin -al →