[1] A paradigm to illustrate the third declension in nasal form in which the last vowel, long in the nominative and vocative, becomes short in the genitive. According to Adler it has a parallel in the Ambrosian Lexicon. The origin could be one of the several grammatical treaties compiled in the imperial and Byzantine periods; e.g. Theodosius, who in peri\ kli/sews tw=n ei)s wn o)cuto/nwn (Concering declension of the oxytones ending in -wn) uses the term h(gemw/n in nominative and genitive. Theoretically the vocative should have omicron rather than omega, but neither form seems to be attested before Byzantine times.
[2] The ancient city of Sirmium is present-day Sremska Mitrovica in the NW of Serbia-Montenegro. Barrington Atlas Map 21 grid B5. During the third-fourth centuries it was the chief city of Lower Pannonia. See generally V. Popovic (ed.), Sirmium (Belgrade 1971).
[3] This unidentifiable quotation probably narrates an episode of the seventh-century history of Pannonia, when the Avars occupied it. See generally Menander Protector (to whom Bernhardy attributed this fragment).