LA2
naḫāsu

Akkadian verb

Last edited: 2024-03-22
Primary meaning to subtract
Literal translation to subtract
Variants
LA2 naḫāsu used with preposition ultu(TA) = from
Edited by
to subtract mathematical operation, arithmetical operation, subtractive operation

(15') ki-i DIŠ.UD ša₂ SIG al-⸢la BE⸣ BAR.NUN u 2 ḪAB-rat DIRI-at BE BAR.NUN u 2 ḪAB-rat (16') TA lib₃-bi-šu₂ LA₂ ana ⸢GI₆ E-bi⸣

‘If the DIŠ.UD of height exceeds the elongation, the ṣiliptu-coefficient, and the 2 for the disk you subtract the elongation, the ṣiliptu-coefficient, and the 2 for the disk from it and you call it GI₆.’

— MMA 86.11.363 (BMAPT No. 61G) obv. 15'-16'

Genre: mathematical astronomy: procedure text
Provenance: Babylon
Date: ca. 350-100 BCE

Ossendrijver, M. 2012. Babylonian Mathematical Astronomy: Procedure Texts. New York: Springer.

Cite this entry
APA (7th)
Ossendrijver, M. (2024). LA2 (Lemma #211). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/211/
Chicago (Author-Date)
Ossendrijver, M. (2024). LA2 (Lemma #211). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/211/
MLA (9th)
Ossendrijver, M. (2024). LA2 (Lemma #211). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/211/
Harvard
Ossendrijver, M. (2024) LA2 (Lemma #211), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/211/ (Accessed: December 1, 2025).
BibTeX 
@misc{zodiac211,
	note = {[Online; accessed 2025-12-01]},
	author = {Ossendrijver, Mathieu},
	year = {2024},
	title = {LA2 ({Lemma} #211)},
	url = {https://zodiacglossary.github.io/lemma/211/},
	howpublished = {https://zodiacglossary.github.io/lemma/211/},
}