▪ Fr
tut(h)ie 1256 tutie,
1432 tuthie. From Ar
tūtiyāʔ «tutie, zinc, oxyde de zinc», probably itself a loan from an Ind lang, cf. Skr
tutthā «vitriol bleu (sulfate de cuivre), utilisé comme collyre» – TLF.
▪ Engl
tutty (a powdered form of impure zinc oxide used for polishing) from Fr
tutie (cf. also Sp
tutia,
atutia), from Lat
tutia, from Ar
tūtiyāʔ, from Pers
tūtiyā, from Skr
tutthā – en.wiktionary (07Jan2016).
1
▪ Lokotsch1927#2120: Ar
tūtiyāʔ ‘zinc, zinc oxide’ [perh. from an Ind lang,
ZDMG L: 650; cf. also Grk
toutía; in the East formerly often used as remedy against eye diseases], also Tu; hence Rum
tutea ‘zink oxide’, Span Port
atutia, Cat
tutia, Fr
tutie,
tuthie ‘id.’; Pol
tucyja ‘Art Zinkkalk’; Engl
tutty ‘zink oxide’ [used for cleaning]. – From Pers
tūtyānāk ‘like tutia’ [s. De Sacy ChrAr III, 44:2; 4529/442, on Ar
tūtiyāʔ ] developed the Engl
tutenag ‘Indian zinc; alloy from copper, nickel and zinc, for cutlery’; Fr
toutenague,
tintenague, Port
tutenaga ‘id’.