תְּאַשּׁוּרtᵉʼashshûwr

read בִּתְאַשֻּׁרִים with box-wood (Ezekiel 27:6)

Pronunciation: teh-ash-shoor' · Hebrew/Aramaic (Old Testament) · H8391

Same root

אָשַׁרʼâshar · H833to be straight (used in the widest sense, especially to be level, right, happy); figuratively, to go forward, be honest, proper
אֲשֻׁרʼăshur · H839the cedar tree or some other light elastic wood

Where it appears

Appears 2 times in the Bible.

Isaiah 41:19 I will plant trees in the barren desert— cedar, acacia, myrtle, olive, cypress, fir, and pine.
Isaiah 60:13 “The glory of Lebanon will be yours— the forests of cypress, fir, and pine— to beautify my sanctuary. My Temple will be glorious!

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).