Where does “þȳ” come from?

þȳ (Old English) comes from Old English þæt, from Proto-Germanic þat, from Proto-Indo-European tód, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.

þȳ (Old English): by that; therefore; because; since; by that,...

Definitions

  1. by that; therefore; because; since; by that,...

Ancestry of “þȳ”, step by step

þȳ traces back through two separate lines of ancestry.

via Old English þæt

StepLanguageWordMeaning
1Old Englishþætnominative/accusative neuter singular of se: the;...
2Proto-Germanicþatnominative/accusative singular neuter of *sa
3Proto-Indo-Europeantóddemonstrative pronoun; that; it
4Proto-Indo-Europeanto-it; that; the, that
5Proto-Indo-Europeanthis; that

via Old English

StepLanguageWordMeaning
1Old Englishhe, that; that, that one, he
2Proto-Germanicsizdative/instrumental of *se-
3Proto-Germanic*sek
4Proto-Indo-Europeanswe-self
5Proto-Indo-Europeanswéself

Words derived from “þȳ

Every word from Proto-Indo-European Every word from Proto-Indo-European to-Every word from Proto-Indo-European tód