STEP Hebrew Lexicon: סָמַךְ

1) to lean, lay, rest, support, put, uphold, lean upon

1a) (Qal)

1a1) to lean or lay upon, rest upon, lean against

1a2) to support, uphold, sustain

1b) (Niphal) to support or brace oneself

1c) (Piel) to sustain, refresh, revive