Note 009
From Chapter 55 of the Decline & Fall

Jordan subscribes to the well-known and probable derivation from Slava, laus, gloria, a word of familiar use in the different dialects and parts of speech, and which forms the termination of the most illustrious names, (de Originibus Sclavicis, pars. i. p. 40, pars. iv. p. 101, 102)