וַיַּ֜עַל וַיִּשְׁכַּ֣ב עַל־הַיֶּ֗לֶד וַיָּשֶׂם֩ פִּ֨יו עַל־פִּ֜יו וְעֵינָ֤יו עַל־עֵינָיו֙ וְכַפָּ֣יו עַל־כפו [כַּפָּ֔יו] וַיִּגְהַ֖ר עָלָ֑יו וַיָּ֖חָם בְּשַׂ֥ר הַיָּֽלֶד׃
At umakyat siya, at nahiga siya sa ibabaw ng bata, at inilapat niya ang kanyang bibig sa bibig nito, ang kanyang mga mata sa mga mata nito, at ang kanyang mga palad sa mga palad nito; at iniunat niya ang kanyang sarili sa ibabaw nito, at uminit ang katawan ng bata.
Rashi
And he spread himself upon him. [Targum] Yonoson rendered ‘וְאַלְהֵי עֲלוֹהִי’, an expression of weariness.26I.e., “he laid exhausted upon him.” There is a similar word in the Beraisa of Ha’azinu and in Sifrei. But Menachem rendered ‘וַיִּגְהַר’, an interpretation of the word according to its context, “he prostrated himself upon him.”27See I Melochim 18:42.
Metzudat David
it was the influence of his vital organs invigorating the vital organs of the lad