OS MtCur4:10 :ܠܡܪܟ ܐܠܗܟ ܬܣܓܘܕ܂ ܘܠܗ ܒܠܚܘܕܘܗܝ ܬܦܠܘܚ‏ : you shall worship the Lord your God and Him alone shall you serve
See the entire entry for blḥwdy prep. by oneself