oct- / octo-
eight
Latin · octo, okto (octō, ὀκτώ)
Latin octo and Greek októ both mean "eight". An octagon has eight sides, an octopus eight arms, an octave eight musical notes, an octet eight performers, and October was once the eighth month.
Memory trick
OCTO sounds like "OCK-toe": eight toes, eight arms like an octopus.
Words from this root
- octagon (octa + gon) — shape with eight sidesअष्टभुज
- octagonal (octa + gon + al) — eight-sidedआठ भुजाओं वाला
- octopus (octo + pus) — sea animal with eight armsऑक्टोपस, अष्टभुज जीव
- octave (octa + ve) — eight notes in musicसप्तक
- octet (oct + et) — group of eightआठ का समूह
- October (Oct + ober) — eighth month in old Romeअक्टूबर
- octogenarian (octo + genarian) — person in their eightiesअस्सी साल के आसपास का व्यक्ति
- octahedron (octa + hedron) — solid with eight facesअष्टफलक
- octane (oct + ane) — chemical with eight carbonsऑक्टेन
- octal (oct + al) — base-eight number systemअष्टाधारी संख्या प्रणाली
- octameter (octa + meter) — verse line of eight feetआठ पदों वाली पंक्ति