וְצָמְח֖וּ בְּבֵ֣ין חָצִ֑יר כַּעֲרָבִ֖ים עַל־יִבְלֵי־מָֽיִם׃
그들이 풀 가운데서 솟아나기를 시냇가의 버들 같이 할 것이라
Rashbam
כאהלים, similar to the same word in Song of Songs 4,14 מר ואהלות, “myrrh and aloes.” The vowels patch under the letters כ in the words כאהלים and כארזים are justified as they substitute for the semi vowel sheva which could not be used twice in a row. Seeing the next letter had a chataf patach. We find similar construction in Isaiah 44,4 כערבים על יבלי מים,