The ordinal numbers can be translated as cardinal numbers. Alternate translation: "They had lived in the wilderness for 40 years, 11 months, and 1 day, when Moses spoke" (See: [[rc://en/ta/man/jit/translate-ordinal]])
This is the eleventh month of the Hebrew calendar. The first day is near the middle of January on Western calendars. (See: [[rc://en/ta/man/jit/translate-hebrewmonths]] and [[rc://en/ta/man/jit/translate-ordinal]])
This is the name of God that he revealed to his people in the Old Testament. See the translationWord page about Yahweh concerning how to translate this.