Strong's Hebrew #553
’am·mê·ṣū

’am·mê·ṣū — 1 Occurrence

Isaiah 35:3
HEB: וּבִרְכַּ֥יִם כֹּשְׁל֖וֹת אַמֵּֽצוּ׃
NAS: the exhausted, and strengthen the feeble.
KJV: hands, and confirm the feeble
INT: knees the feeble and strengthen