Sabittir
Sabittir is a Turkish predicative form meaning “is fixed” or “is constant.” It derives from the adjective sabit, meaning fixed or constant, and the assertive copula suffix -tir, forming the third-person singular present indicative of the verb sabit olmak (to be fixed/to be constant). The word sabit itself traces to the Arabic root thabit (ثابت), meaning firm or established, filtered into Turkish through historical contact. In Turkish grammar, sabittir is used to assert a state about a subject in formal or technical contexts.
In mathematical, scientific, and technical writing, sabittir is commonly employed to declare that a value does
Usage and style: sabittir tends to appear in formal, didactic, or proof-based prose rather than casual conversation.