As an adjective, 1680s, "of the nature of a temporary expedient," which led to the noun sense of "that with which one meets a present need or turn, a temporary substitute" (by 1802).

What is a definition for makeshift?

: a usually crude and temporary expedient : substitute.

Where did because come from?

because (conj.)

late 14c., from phrase bi cause, introducing a subordinate clause or phrase, "by cause, for the reason that," from by (prep.) + cause (n.). Modeled on French par cause. Originally often followed by that or why.