1) pertaining to the third, third (generation) Part of Speech: adjective A Related Word by BDB/Strong’s Number: from H8027 Same Word by TWOT Number: 2403h
Brown-Driver-Briggs
II. [שִׁלֵּשׁ] adjectivepertaining to the third; — only masculine plural as substantive שִׁלֵּשִׁיםthose of third Generation (grandsons); ׳בְּנֵי שׁGenesis 50:23 (E) sons of those of third Generation, i.e. great-grandsons (see KöSK 1898, 533 ff.); וְעַלרִֿבֵּעִים׳עַלבָּֿנִים עַלשֿׁExodus 20:5 (E; see [ רִבֵּעַ]}=Deuteronomy 5:9; Numbers 14:18, compare Exodus 34:7 (both J).
Genesis 50:23 HEB:לְאֶפְרַ֔יִם בְּנֵ֖י שִׁלֵּשִׁ֑ים גַּ֗ם בְּנֵ֤י NAS: saw the third generation of Ephraim's KJV: children of the third [generation]: the children INT: of Ephraim's sons the third also the sons
Exodus 20:5 HEB:בָּנִ֛ים עַל־ שִׁלֵּשִׁ֥ים וְעַל־ רִבֵּעִ֖ים NAS: on the children, on the third and the fourth KJV: upon the children unto the third and fourth INT: the children on the third and and the fourth
Exodus 34:7 HEB:בָנִ֔ים עַל־ שִׁלֵּשִׁ֖ים וְעַל־ רִבֵּעִֽים׃ NAS: and on the grandchildren to the third and fourth KJV: and upon the children's children, unto the third and to the fourth INT: the children unto the third and and fourth
Numbers 14:18 HEB:בָּנִ֔ים עַל־ שִׁלֵּשִׁ֖ים וְעַל־ רִבֵּעִֽים׃ NAS: on the children to the third and the fourth KJV: upon the children unto the third and fourth INT: the children unto the third and and the fourth
Deuteronomy 5:9 HEB:בָּנִ֛ים וְעַל־ שִׁלֵּשִׁ֥ים וְעַל־ רִבֵּעִ֖ים NAS: on the children, and on the third and the fourth KJV: upon the children unto the third and fourth INT: the children and on the third and and the fourth