A primitive root; to coo or chirp (as a bird) -- chatter, peep, whisper.
H6850. tsaphaph
[צַפַף] verb Pilpel chirp, peep (onomatopoetic; Late Hebrew Pilpal id.; Jewish-Aramaic צַפְצֵף chirp; Arabic sparrow, etc.); — Imperfect3feminine singular תְּצַפְצֵף Isaiah 29:4, 1singular אֲצַפְצֵף 38:14; Participle מְצַפְצֵף 10:14, plural הַמְפְצְפִים 8:19; — chirp, peep:
1 of birds Isaiah 10:14 (figurative of conquered peoples); of mourning, ׳בְּסוּסאֲ֗֗֗צ 38:14 ("" בַּיּוֺנָה אֶהְנֶּה).
2 of spirits, ghosts Isaiah 8:19 (+ הַמַּהְגִּים), תְּצ אִמְרָתֵךְ ׳מֵעָפָר 29:4 (like a spirit's).