Proto-Indo-European

*oḱtṓw

‘eight’

Every word has its own definition in its root. These English words share one: Proto-Indo-European *oḱtṓw.

22 English words in this record descend from Proto-Indo-European *oḱtṓw, most familiar first.

• eight ← eighte ← eahta ← *ahtō ← *ahtōu
• eighth ← eightethe ← eahtoþa ← *ahtudō ← *ahtudô
• eighty ← eightety ← hundeahtatiġ ← *ahtōutēhundą ← *sebun
• octave ← octavus ← *oktāwos ← *oḱtṓwos
• aught ← ahte ← eahta ← *ahtō ← *ahtōu
• octavo ← octāvus ← *oktāwos ← *oḱtṓwos
• eightfold ← eahtafeald ← eahta ← *ahtō ← *ahtōu
• ogdoad ← ὀγδοάς ← ὀκτώ ← *oktṓ
• eighthly ← eighth ← eightethe ← eahtoþa ← *ahtudō
• eightsome ← eight ← eighte ← eahta ← *ahtō
• eightish ← eight ← eighte ← eahta ← *ahtō
• eightlike ← eight ← eighte ← eahta ← *ahtō

More words from *oḱtṓw

• eightness
• eightsies
• eightplex
• octic
• octennium
• ochavo
• ochava
• octapody
• ogdohedral
• oitava

Etymograph / Proto-Indo-European *oḱtṓw