It's a suffix.
part of speech
Adjective
What part of speech is thaw
The part of speech for oscillate is verb.
An adjective is a part of speech.
logy
Yes,it is greek Bios(βιος)=life Logos(λογος)=speech Biology=Speaking of life
There are no words that start with "logy", except for the word "logy".However, many words start with the suffix "-logy" or "the study of", including biology, glaciology, geology, paleontology, pathology, and entomology.
In poetry and anywhere else, the ending "logue", like "logy", derives from the Greek word logos meaning a word or speech. Thus a monologue is a speech given by one (monos) person, a dialogue is a speech between two (di), a prologue is given at the beginning (pro) and an epilogue at the end (epi)
Its - in modern Greek- διάβασμα (diavasma). You can find it in ancient Greek root word as -ology or -logy meaning ''the study of''. [original form λόγος (logos) : speech).
Some nouns with the suffix -logy are:analogyanesthesiologyanthropologyapologyarchaeologyastrologyaudiologybiologycardiologychronologyclimatologycosmetologycriminologycryptologycytologydermatologyecologyendocrinologyentomologyeulogygemologygenealogygynecologyhematologyhydrologyichthyologyimmunologymeteorologymethodologymicrobiologymineralogymythologynanotechnologyneonatologynumerologyontologyophthalmologyornithologypaleontologyparasitologypathologypharmacologypsychologyradiologyrheumatologyseismologyserologysociologytechnologyterminologytheologytoxicologytrilogyvulcanologyzoology
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The origin of the word suffix or ending "-logy" is the Greek word logia "study", "speak", "lecture". The "o" that often precedes "-logy"is really part of the word placed in front of it, such as "bio" from bios: "life", or "astro" from astron: "star".