Where does “whatsitsname” come from?

whatsitsname (English) comes from English its, from English it’s, from English -’s, from Middle English -s, from Old English -es, from Proto-Germanic -as, from Proto-Indo-European -ēs, from Proto-Indo-European -ess — Creates action nouns or result nouns from verbs;...

whatsitsname (English): Any object whose name one does not know or cannot...

Definitions

  1. Any object whose name one does not know or cannot...

Ancestry of “whatsitsname”, step by step

whatsitsname traces back through 3 separate lines of ancestry.

via English its

StepLanguageWordMeaning
1EnglishitsBelonging to it; The one belonging to it; plural...
2Englishit’sThere's, there is; there're, there are
3English-’sAttached to a noun or noun phrase linked to a genitive (Compare of mine, etc.)
4Middle English-sAdverbial genitive ending, developed into the...
5Old English-espossessive marker, indicating that an object...
6Proto-Germanic-asused in formation of adverbs
7Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
8Proto-Indo-European-ess
9Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English ñame

StepLanguageWordMeaning
1EnglishñameSynonym of name
2Middle Englishnamename
3Old Englishnamaname; noun
4Proto-West Germanicnamōname
5Proto-Germanicnamôname
6Proto-Indo-Europeanh₁nómn̥name
7Proto-Indo-Europeanh₃neh₃-to name

via English [[what]]'s

StepLanguageWordMeaning
1English[[what]]'s
Every word from Proto-Indo-European -osEvery word from Old English -esEvery word from English -’s