Where does “omelettey” come from?

omelettey (English) comes from English omelette, from French omelette, from French alemette, from French alemelle, from Latin lāmella, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós — Forms agent nouns from verbal roots.

Ancestry of “omelettey”, step by step

omelettey traces back through two separate lines of ancestry.

via English omelette

StepLanguageWordMeaning
1EnglishomeletteA dish made with beaten eggs cooked in a frying...
2Frenchomeletteomelette
3Frenchalemette—
4Frenchalemelleknife blade
5LatinlāmellaA small, thin plate of metal
6Latin-lusAlternative form of -ulus; diminutive suffix
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós—
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanese夢a dream; a vision; leaving reality to the state...
7Old Japanese夢a dream
8Japanese目an order in biology: smaller than a class, bigger...
9Middle Chinese目—
Every word from Proto-Indo-European -lós →Every word from Latin -lus →Every word from Latin lāmella →