A primitive root; properly, to glide swiftly, i.e. To crawl or move with short steps; by analogy to swarm -- creep, move.
H7430. ramas
רָמַשׂ verb creep, move lightly, move about (chiefly P) (Arabic touch Gently (Kam Frey); Late Hebrew רְמָשִׂים creeping things (rare)); —
Qal Imperfect3feminine singular תִּרָמשֹׁ Genesis 9:2 2t.; Participle רֹמֵשׂ 1:26 +; feminine singular רֹמֶ֫שֶׂת Leviticus 11:46 2t.; — 1
subject ground, ת אֲשֶׁר ׳כֹּל הָאֲדָמָה all with which the ground creeps (teems), i.e. all creeping things, Leviticus 20:55 (H), Genesis 9:2 (P).
2 elsewhere subject animal:
a. creep, עַלהָֿאֲדָמָה Deuteronomy 4:18; Genesis 7:8 (P), עַלהָֿאָרֶץ Leviticus 11:44 (H), Genesis 1:30 (P); עַלהָֿאֲדָמָה הָרֹמֵשׂ הָרֶמֶשׂ Ezekiel 38:20, עַלהָֿאָרֶץ Genesis 1:26; 7:14; 8:17 (all P).
b. move lightly, glide about, of water animals, כָּלנֶֿפֶשׂ (בַּמַּיִם) הָרֹמֶצֶת הַחַיָּה Leviticus 11:46 (H), Genesis 1:21 (P), compare Psalm 69:35.
c. in General move about, of all land-animals, עַלהָֿאָרֶץ Genesis 1:28; 7:21; 8:19 (all P); specifically of wild beasts prowling at night Psalm 104:20.