Lilac
来自Big Physics
early 17th century: from obsolete French, via Spanish and Arabic from Persian līlak, variant of nīlak ‘bluish’, from nīl ‘blue’.
wiktionary
From obsolete French lilac (now lilas), from Arabic لِيلَك (līlak), from Sanskrit नील(nīla, “dark blue”).
etymonline
lilac (n.)
1590s, shrub of genus Syringa with mauve flowers, with French lilac, Spanish lilac from Turkish leylak (the tree reached Western Europe via Istanbul), perhaps from a native Balkan name. Attested from 1791 as a color name; as a scent, from 1895. As an adjective, "pale pinkish-purple," from 1801. Related: Lilaceous.
