See the entire entry for ytb vb. to sit ; to dwell; to stay, remain

TgO Gen12:10 :וַהֲוָה כַפנָא בארעא וֻנחַת אַברָם לְמִצרַיִם : there was a famine in the land, so Abram went down to Egypt

See the entire entry for nḥt vb. to descend