dextrā — Lewis & Short
dextrā,
I praep. [orig. dextrā, abl. of preceding], on the right of (post-Aug.); with acc.:
dextra sinistraque januam,Gell. 16, 5, 3:
dextra viam stratam,Liv. 8, 15, 8:
dextra ac sinistra aquilonem,Vitr. 1, 6, 10; id. 6, 11, 3; Paul. ex Fest. p. 206, 18 al.