עָמַם

From LSJ

ἔνθα μὲν οὔτε βοῶν οὔτ' ἀνδρῶν φαίνετο ἔργα → from there no works of men or oxen appeared

Source

English (Strong)

a primitive root; to associate; by implication, to overshadow (by huddling together): become dim, hide.