Word mod est/st
An internal 'est' might be rendered by 'st'
strix N 3 3 NOM S F
strix N 3 3 VOC S F
strix, strigis N (3rd) F [DXXFS] Late veryrare
furrow, channel, grove, flute;
screech owl (bird of ill omen); vampire/evil spirit; (sucks children's blood);
small nugget;