Where does “because” come from?

Because derives from Middle English bi cause, combining Middle English bi (by) with Middle English cause from Latin causa, ultimately from Proto-Indo-European roots including h₁epi and ki-.

because (English): By or for the cause that; on this account that; for the reason that

Definitions

  1. By or for the cause that; on this account that; for the reason that

Ancestry of “because”, step by step

StepLanguageWordMeaning
1Middle Englishbi cause—
2Middle Englishbiby
3Old Englishbīlullaby!; near, by; by, near, around
4Proto-West Germanicbīby, at; near, around
5Proto-Germanicbiby, at; near, around
6Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
7Proto-Indo-Europeanh₂n̥tbʰi—
8Proto-Indo-Europeanh₂éntsforehead; front
9Proto-Indo-Europeanh₂ent-face; forehead; front
10Proto-Indo-Europeanh₂en-on, onto

Words derived from “because”

Every word from Proto-Indo-European h₂en- →Every word from Proto-Indo-European h₂ent- →Every word from Proto-Indo-European h₂énts →