rabbī
(is) my Lord
N – nominative masculine noun + PRON – 1st person singular object pronoun Ya
Root Link: ر ب ب
warabbukum
and your Lord
CONJ – prefixed conjunction wa (and) + N – nominative masculine noun + PRON – 2nd person masculine plural possessive pronoun kum
Root Link: ر ب ب
fa-uʿ'budūhu
so worship Him
REM – prefixed resumption particle fa + V – 2nd person masculine plural imperative verb + PRON – subject pronoun waw + PRON – 3rd person masculine singular possessive pronoun ha
Root Link: ع ب د
mus'taqīmun
straight
ADJ – nominative masculine indefinite (form X) active participle
Root Link: ق و م