From balal in the original sense of flowing: a cataract (in the eye) -- blemish.
see HEBREW balal
H8401. teben
תֶּ֫בֶן noun masculineExodus 5:16 straw (√ unknown; Ges and others compare בנה (compare Thes1492), but see LagBN 138; Late Hebrew = Biblical Hebrew; Assyrian tibnu; Aramaic תִּיבְנָא, , whence Arabic as loan-word Frä124); — absolute ׳ת Genesis 24:25 +, תֶּ֑בֶן Exodus 5:10 +; — straw, i.e. straw threshed fine: chaff Jeremiah 23:28 (opposed to בָּר), blown by wind Job 21:28 (in simile; "" מֹץ), yielding 41:19 (simile); food for camels Genesis 24:25, 32 (J), asses Judges 19:19 (all + מִסְמּוֺא), בָּקָר Isaiah 11:7; 65:25, horses 1 Kings 5:8 (+ שְׂעֹרִים); mixed with clay in brick-making Exodus 5:7 (twice in verse); 5:10-11, 12 (opposed to קַשׂ), 5:13; 5:16; 5:18 (J); — see further VogelstLandwirthsch. 67.