-ine (1) Look up -ine at Dictionary.com
suffix used to form adjectives from nouns, from French -ine, fem. of -in, or directly from Latin -inus "of, like" (see -en (2)).
-ine (2) Look up -ine at Dictionary.com
chemical suffix, sometimes -in, though modern use distinguishes them; early 19c., from French -ine, from Latin -ina, fem. form of suffix used to form adjectives from nouns (identical with -ine (1)). In French, the suffix commonly was used to form words for derived substances, hence its extended use in chemistry, where it was applied unsystematically at first (as in aniline), but now has more restricted use.