godan verb (-su), suru verb (precursor), transitive verb
A godan verb with 'su' ending, used as a precursor to the modern suru verb 愛する. It is somewhat literary or old-fashioned compared to 愛する, but still encountered in modern Japanese, especially in poetic or emphatic contexts.
See also: 愛する
彼は故郷を心から愛している。
He loves his hometown from the bottom of his heart.
I want to live surrounded by people who are worthy of love.