The story
- Latin · derived fromlāmentābilis“full of sorrow, mournful; deplorable”
- Middle French · derived fromlamentable
- Middle English · inherited fromlamentable
- English todaylamentable
From Middle English lamentable, from Middle French lamentable, from Latin lāmentābilis (“full of sorrow, mournful; deplorable”), from lāmentor (“lament”), from lāmenta (“wailing, weeping”). By surface analysis, lament + -able.
Etymology from Wiktionary, CC BY-SA 4.0.