Devarim 15:14

הענק תעניק THOU SHALT FURNISH HIM LIBERALLY — The noun from the root ענק denotes an ornament worn high up on the body which thus easily comes within sight of the eye (i.e. is conspicuous), (cf. ענק, a giant, someone who towers on high) — i.e. you shall furnish him with something that will make it patent that you have been kind to him. There are some who explain the word הענק to mean loading on his (the servant’s) neck. מצאנך מגרנך ומיקבך [THOU SHALT FURNISH HIM LIBERALLY] OUT OF THY FLOCK, AND OUT OF THY FLOOR, AND OUT OF THY WINE PRESS — One might think I have this duty in respect to these things only! Scripture, however, states “that wherewith the Lord thy God hath blessed thee [shalt thou give him]” implying, of all with which thy Creator hath blessed thee. Why, then, are these alone specifically mentioned? To teach you the following: How is it with these things? They have the characteristic that they come under the term of “blessing”, (i.e. they possess the power of propagating) so, too, you are obliged to furnish him only with such things that come under the term “blessing”, thus excluding mules, (because they are sterile) (Sifrei Devarim 119:3; Kiddushin 17a). — Our Rabbis have derived in Treatise Kiddushin 17a by reasoning from the analogous expressions found in certain texts (גז"ש) what quantities one must give him of all the different kinds here mentioned.

הַעֲנֵ֤יק תַּעֲנִיק֙ ל֔וֹ מִצֹּ֣אנְךָ֔ וּמִֽגׇּרְנְךָ֖ וּמִיִּקְבֶ֑ךָ אֲשֶׁ֧ר בֵּרַכְךָ֛ יְהֹוָ֥ה אֱלֹהֶ֖יךָ תִּתֶּן־לֽוֹ׃

thou shalt furnish him liberally out of thy flock, and out of thy threshing floor, and out of thy winepress: of that with which the Lord thy God has blessed thee thou shalt give him.