BDB8067
[רָפַף] verb
Po`el
shake, rock (Aramaic רְפַף,
[untranscribed source text 5147]
move gently; Arabic
[untranscribed source text 5148]
quiver, flash, throb; also Late Hebrew רִפְרֵף
flutter, Arabic
[untranscribed source text 5149]
flutter, flap wings); — Imperfect 3 masculine plural עַמּוּדֵי שָׁמַיִם
יְרוֺפָ֑פוּ
Job 26:11.