Word: octennially
Part of speech: Adverb
Syllables: oc
ten
ni
al
ly
Definition: Every eight years.
Morphemes:
Affix: oct-
Language: en
PoS: Prefix
Meaning: Form of octa- or octo- used before a vowel.
Affix: -ennial
Language: en
PoS: Suffix
Meaning: Combining form denoting years.
Etymology Compounds: Affix: annus
Language: la
Decoded: annus
PoS: Noun
Meaning: year
Affix: -al
Language: la
Decoded: -al
PoS: Suffix
Meaning: suffix used to form adjectives from nouns
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns specifying time intervals, the adjectives having the sense of "occurring at such intervals".