Brown-Driver-Briggs
דַּרְקוֺן proper name, masculine head of a family of Nethinim, who went up with Zerubbabel,
׳בְּנֵידֿ Ezra 2:56 =
Nehemiah 7:58.
דרר (√ of following words: Arabic 
; —
1 stream, flow abundantly (of milk, tears, rain, etc.), compare I. דְּרוֺר.
2 be abundant, luxuriant (of her-bage), compare 
a kind of tree, now elm (Lane), & דַּרְדַּר.
3 run vehemently, easily (of horse), compare 
swift horse, or other beast, & II. דְּרוֺר.
4 give light, shine (of lamp), compare 
shining star, 
glistening or shining of sword, 
pearls (collective) & דַּר; hence probably דָּרוֺם).
