H3854 לַהַג לַהַג (lahag), Strong’s H3854: intense mental application KJV: study.. Occurs 1 times. Source: https://besorah.bible/word/H3854 — Besorah, the whole Bible in Hebrew, Greek and English. Texts and licences: https://besorah.bible/about/credits.html lahag — intense mental application KJV: study. Occurs 1 times. Brown–Driver–Briggs - לַ֫הַג n.m. (late) study, i.e. devotion to books; Ec 12:12 Where it occurs - Ecclesiastes 12:12 (https://besorah.bible/tanakh/ecclesiastes/12?v=12) — Furthermore, my son, be admonished: of making many books there is no end; and much study is a weariness of the flesh.