FromFrench-acque, fromNew Latin-acus, fromAncient Greek-ακός(-akós,“-ic”).[1] Related to-ic and-y.
-ac
Inherited fromProto-Slavic*-ьcь.
-ac (Cyrillic spelling-ац)
Inherited fromProto-Slavic*-ati.
Phonetic reduction ofProto-Slavic*-ovati