וְצָמְח֖וּ בְּבֵ֣ין חָצִ֑יר כַּעֲרָבִ֖ים עַל־יִבְלֵי־מָֽיִם׃
Y brotarán entre hierba, como sauces junto á las riberas de las aguas.
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,