Origin of I.C.
Origin of -ic
Examples from the Web for ic
The Republican National Committee has called the project out as a “Democrat[ic] front group.”This Is How Eva Longoria Is Trying to Win the Midterms|Asawin Suebsaeng|October 1, 2014|DAILY BEAST
Collectively, these 16 agencies are called the “IC”—intelligence community.
Orthograph′ic, -al, pertaining or according to orthography: spelt correctly.
Pedant′ic, -al, displaying knowledge for the sake of showing.
Nu ic geare geseo minne soan Cyning; ic stande on his gesihe to him me gebiddende.
Cabbalist′ic, -al, relating to the cabbala: having a hidden meaning.
Ic lrde weras, t h heora ǽwe heoldon, foran t se wer gewitna on wbrcum wife, t wrec God on ǽwbrcum were.
suffix forming adjectives
Word Origin for -ic
adjective suffix, "having to do with, having the nature of, being, made of, caused by, similar to" (in chemistry, indicating a higher valence than names in -ous), from French -ique and directly from Latin -icus, which in many cases represents Greek -ikos "in the manner of; pertaining to." From PIE *-(i)ko, which also yielded Slavic -isku, adjectival suffix indicating origin, the source of the -sky (Russian -skii) in many surnames.