eahta
From Proto-Germanic *ahtōu, from Proto-Indo-European *oḱtṓw. Cognate with Old High German ahto, Old Saxon ahto, Old Norse átta, Gothic 𐌰𐌷𐍄𐌰𐌿 (ahtau); and, outside the Germanic languages, with Sanskrit अष्ट (aṣṭa), Ancient Greek ὀκτώ (oktṓ), Latin octo, Albanian tetë, Old Irish ocht, Old Church Slavonic осмь (osmĭ).