Lexical Definition

‎רָהָה‎ râhâh (raw-haw') to fear H:V
a primitive root

be afraid.

1) (Qal) to fear
1a) meaning dubious

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
תִּרְה֔וּ you fear Isa.44.8

Brown-Driver-Briggs

[‎יָרַהּ‎] verb only Qal Imperfect 3 masculine plural ‎תִּרְהוּ‎ Isa 44:8 (van d. H Baer, but probably ‎ִ˜תּרְהוּ‎ si vera lectio, so Thes); ? be stupefied (compare Arabic , Thes and others), but Frey fatuus et stolidus fuit; < Ew and others who read ‎ִ˜תּרְאוּ‎ from ‎ירא‎ (|| ‎פחד‎).

[‎רָהָה‎] verb dubious, apparently fear; —

Qal Imperfect 2 masculine plural ‎אַלתִּֿפְתֲדוּ וְאַלתִּֿרְהוּ‎ Isa 44:8 Thes ‎ִ˜תּרְהוּ‎, but no √ ‎ירהּ‎; Ew Brd BuhlLex 13 ‎ִ˜תּרְאוּ‎; ‎(יָרֵאׅ‎; > Lag Gr CheHpt ‎תִּרְהֲבוּ‎ (in Syriac sense).

Brown-Driver-Briggs References

Book Refs
Isaiah 44:8