Where does “someone's” come from?

someone's (English) comes from English ’s, from English Kingstown, from English town, from Middle English toun, from Middle English ende, from Old English ende, from Proto-Germanic andi, from Proto-Indo-European h₂énti — on, onto.

someone's (English): The possessive adjective for someone

Definitions

  1. The possessive adjective for someone

Ancestry of “someone's”, step by step

someone's traces back through two separate lines of ancestry.

via English ’s

StepLanguageWordMeaning
1English’s
2EnglishKingstownOS grid ref NY3959
3EnglishtownA settlement; an area with residential districts,...
4Middle Englishtountown
5Middle EnglishendeThe end or finishing of a thing; the terminal...
6Old Englishendeend, limit, border, corner
7Proto-Germanicandiin addition, furthermore, and
8Proto-Indo-Europeanh₂éntiopposite; near; in front
9Proto-Indo-Europeanh₂éntsforehead; front
10Proto-Indo-Europeanh₂ent-face; forehead; front
11Proto-Indo-Europeanh₂en-on, onto

via English someone

StepLanguageWordMeaning
1EnglishsomeoneSome person; A partially specified but unnamed...
2EnglishoneThe number represented by the Arabic numeral 1;...
3Middle EnglishoneAlternative form of on; Alternative form of hone;...
4Middle Englishonento unify; to join together; to gather together;...
5Middle English-enDenotes the past participle form when attached to...
6Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
7Old Norse-innUsed to create adjectives from nouns, meaning...
8Proto-Norse-īna-
9Proto-Germanic-īnaz-en
10Proto-Indo-European-iHnosCreates adjectives of materials
11Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European h₂en-
someone's — Etymology, Origin & Word History | Etymology Explorer