| Remarks |
'Eastern' from 'east' = 'orient' from Latin 'orior', i.e., 'rising' from Indo-European 'aus-', i.e., east and dawn, related to Latin 'aurora', Greek 'aúos', Germanic 'austo-' (p. 192 in Ref. 11979); 'brook' of Germanic origin related to German 'bruch', i.e., swamp (p. 81 in Ref. 11979); 'trout' from Middle English from Old English 'truht' from Low Latin 'trocta, tructa', i.e., a fish with sharp teeth, from Greek 'troktes', i.e., gnawer, from 'trogein', i.e., to gnaw (p. 1266 in Ref. 11978). |