Where does “sitcommy” come from?

sitcommy (English) comes from English sitcom, from English situation, from Middle English situacioun, from Middle French situation, from Latin situatio, from Latin situō, from Latin situs, from Latin -tus — Derives action nouns from verb roots.

Ancestry of “sitcommy”, step by step

sitcommy traces back through two separate lines of ancestry.

via English sitcom

StepLanguageWordMeaning
1Englishsitcomclipping of situation comedy; Acronym of single...
2EnglishsituationThe combination of circumstances at a given...
3Middle EnglishsituaciounRepositioning a broken bone
4Middle Frenchsituation
5Latinsituatio
6Latinsituōto place, situate, locate
7Latinsituspermitted, allowed, suffered, having been...
8Latin-tusForms the past participle of verbs; Forms...
9Proto-Italic-tus
10Proto-Indo-European-tusDerives action nouns from verb 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...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese
Every word from Proto-Indo-European -tus