Lexical Definition

‎בְּאֹשׁ‎ bᵉʼôsh (be-oshe') stench H:N-M
from ‎בֹּאר‎

stink.

1) stench, foul odour

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
בָאְשׁ֗וֹ stench its Joel.2.20
בָאְשָׁ֑ם stench their Isa.34.3
בְּאֹ֤שׁ stench of Amos.4.10

Brown-Driver-Briggs

‎בְּאשׁ‎ noun masculine stench‎׳‎‎בּ‎ construct Amos 4:10 suffix ‎בָּאְשׁוֺ‎ Joel 2:20 ‎בָּאְשָׁם‎ Isa 34:3‎מַחֲנֵיכֶם‎ ‎׳‎‎בּ‎, i.e. stench of corpses Amos 4:10, also Isa 34:3 compare Joel 2:20 of locusts ‎׳‎‎עָלָה בּ‎ || ‎(תַּעַל צַחֲנָתוֺׅ‎.

Brown-Driver-Briggs References

Book Refs
Isaiah 34:3
Joel 2:20
Amos 4:10