Latinitatis medii aevi lexicon Bohemorum (thanks to the Centre for Classical Studies at the Institute of Philosophy of the Czech Academy of Sciences (www.ics.cas.cz/en)) (2017): fluvialis
fluvialis fluvialis 2. 1 fluviatilis, ad fluvium pertinens – říční: tria sunt genera ranarum: unum f-e wodne žaby |VocLact f.oo 7ra|
+ de abstr. (cf. ThLL VI/1 977,67): partim ab impiis gladio necatis, partim f-i sepulture iniquorum manibus traditis |Christ 119|
2 fere i. q. fluens – tekoucí: cui (nostro ordini) potum dat exortus / f-is rivulus |CarmSchol 45|.