inprimis
From LSJ
ἰὼ, σκότος, ἐμὸν φάος, ἔρεβος ὦ φαεννότατον, ὡς ἐμοί, ἕλεσθ' ἕλεσθέ μ' οἰκήτορα → ah, darkness that is my light, gloom that is most bright for me, take me, take me to dwell in you
Latin > English (Lewis & Short)
in-prīmis: v. primus, II. B.
Latin > English
inprimis ADV :: in the first place, first, chiefly; especially, above all, more than any other