lygos

lygos, i, f., = λύγος,

a plant, the chaste tree, agnus castus, Abraham's balm (in late Lat. vitex), Plin. 24, 9, 38, § 59.

Lygos
LYGOS[CONSTANTINOPOLIS p. 257.] ...

Dictionary of Greek and Roman Geography
Lygos
Lygos, i, f., = Λύγος, an ancient name of Byzantium : oppidum Byzantium ... antea Lygos dictum, Pli...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.