From the same as yereq; properly, green; concretely, a vegetable -- green, herbs.
see HEBREW yereq
H3419. yaraq
יָרָק noun [masculine] herbs (collective), herbage (green, greens) — absolute יָרָק Deuteronomy 11:10 2t.; construct יְרַק Isaiah 37:27 = 2 Kings 19:26; — גַּןיָֿרָק Deuteronomy 11:10; 1 Kings 21:2; יָרָק אֲרֻחַת Proverbs 15:17; as substantive, דֶּשֶׁא יְרַק Isaiah 37:27 = 2 Kings 19:26 green shoots of grass ("" שָׂדֶה עֵשֶׂב, etc.)