Lexical Definition

‎שָׁחִיס‎ shâchîyç (shaw-khece') offspring H:N-M
or סָחִישׁ çâchîysh (sawkheesh'); from an unused root apparently meaning to sprout

(that) which springeth of the same.

1) volunteer grain
1a) grain that shoots up of itself the second year, without replanting

See Greek: ἀνατέλλω · κατάλειμμα

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
שָׁחִ֑יס self-seeded plant Isa.37.30
סָחִ֑ישׁ self-seeded plant 2Kgs.19.29

Brown-Driver-Briggs

‎סָחִישׁ‎ noun [masculine] grain that shoots up of itself in 2nd year (√ unknown); — || ‎סָפִיחַ‎, 2Kgs 19:29 (= ‎שָׁחִיס‎ || Isa 37:30); on use of this for food, compare Straboxi. 4, 3 (of Albanians).

Brown-Driver-Briggs References

Book Refs
2 Kings 19:29
Isaiah 37:30