1) grief, progeny, thankless one 1a) meaning uncertain Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from H5125 Same Word by TWOT Number: 1213f
Brown-Driver-Briggs
מָנוֺןnoun masculine dubious; only in ׳וְאַחֲרִיתוֺ יִהְיֶה מProverbs 29:21 Ew Now thankless one (Ethiopic Di189); De "Brutstätte" i.e. father of numerous progeny (√ נון); < Be Str (who cites A. Müller), compare Wild., read מָדוֺןstrife.
מָנוֺס, מְנוּסָה see נוס. מָנוֺר see ניר.
מְנוֺרָה see נור. [מִנְּזָרִים] see נזר.
מנח (√ of following; compare Arabic lend, give a gift, loan, gift especially of she camel, sheep, or goat for milking, Phoenician מנחת, gift, offering).
Proverbs 29:21 HEB:וְ֝אַחֲרִית֗וֹ יִהְיֶ֥ה מָנֽוֹן׃ NAS: Will in the end find him to be a son. KJV: from a child shall have him become [his] son at the length. INT: the end to be a son