ետր

As has been correctly noticed by J̌ahukyan, from Ancient Greek ἑταίρα (hetaíra, “hetaira; courtesan, prostitute”).

ետր • (etr)

1. prostitute

Attested only in Baṙgirkʿ hayocʿ.

• բոզ (boz)

• ետրոնին (etronin)

• Eremia Mełrecʿi (1698), “ետր”, in Baṙgirkʿ hayocʿ [Armenian Dictionary] (in Armenian), Livorno: tpagr. Sargis Evdokiacʿu Sahetʿču, page 90
• Ačaṙean, Hračʿeay (1973), “ետր”, in Hayerēn armatakan baṙaran [Dictionary of Armenian Root Words] (in Armenian), volume II, 2nd edition, reprint of the original 1926–1935 seven-volume edition, Yerevan: University Press, page 33b
• J̌ahukyan, Geworg (1963), “Stugabanutʿyunner [Etymologies]”, in Patma-banasirakan handes [Historical-Philological Journal]‎ (in Armenian), issue 4, pages 90–91
• J̌ahukyan, Geworg (2010), “ետր”, in Vahan Sargsyan, editor, Hayeren stugabanakan baṙaran [Armenian Etymological Dictionary] (in Armenian), Yerevan: Asoghik, page 219a