What is the meaning of Sclendre?

Scrawny, haggard, gaunt.

Thin, slender, slim.

Weak, fragile, meagre.

Young, not grown.

sclendre, adj.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.

Walther von Wartburg (1928–2002), “slinder”, in Französisches Etymologisches Wörterbuch, volume 17: Germanismes: S–Z, page 147

Source: wiktionary.org