קֶשֶׁתkeshet meaning in Biblical Hebrew
bow (archer's weapon; also rainbow) · noun, feminine
After the flood, God hangs his war-bow in the clouds: unstrung, curve turned toward heaven, the weapon set down where the earth can see it.
אֶת־קַשְׁתִּי נָתַתִּי בֶּעָנָן וְהָיְתָה לְאוֹת בְּרִית בֵּינִי וּבֵין הָאָרֶץ
“I have set My bow in the cloud, and it shall be for a sign of a covenant between Me and the earth." — Genesis 9:13”
Picture the archer setting down his bow in the clouds: keshet.