It is both Greek and Latin. Go to www.kent.k12.wa.us/ksd/MA/resources/greek_and_latin_roots/transition.html for more Greek and Latin roots
The letters '-ic' aren't a root. Instead, they're a suffix that comes into English by way of ancient, classical Latin and the even earlier, ancient, classical Greek. In Latin, the suffix is '-icus'. In the earlier Greek, the suffix is '-ikos'. Either way, the meaning is the same: 'having the character or form of' or 'of or relating to'.
It is the Greek kinein, to move.
GREEK
The suffix "ic" is often used in English to form adjectives meaning "pertaining to" or "related to." It is derived from the Greek "-ikos" and Latin "-icus." For example, in words like "historic" or "poetic," the suffix indicates a relationship to history or poetry, respectively. This suffix helps to create descriptive language that specifies the nature of a noun.
There is no prefix in electricity. The suffix is -icity, made up of the adjective suffix -ic and the Latin noun suffix -ity.
The Latin suffix for "dependent" is "-ent" which means "tending to" or "having the quality of." In Greek, the equivalent suffix is "-ent" which also indicates possession of a certain quality or condition.
The suffix "-ist" is of Latin origin, not Greek. It is commonly used to form agent nouns, referring to people who hold certain beliefs or engage in certain practices.
The suffix for idiopathic is "-ic" which means "pertaining to."
The suffix "-ness" is of Germanic origin, not Latin or Greek. It is commonly used in English to form abstract nouns indicating a state, condition, or quality. The suffix has been borrowed and adapted from Old English and Old High German languages.
A Greek or Latin suffix is an affix added to the end of a word to change its meaning or grammatical function. These suffixes often indicate parts of speech, such as turning a noun into an adjective or a verb into a noun.
The suffix of "authentic" is "-ic."
The suffix in "dramatic" is "-ic".