(e)su-

Good. Oldest form *ə₁(e)su-. Originally suffixed form of es-.

1. eu-, from Greek eu-, well, combining form of eus, good.

2.

a. swastika, from Sanskrit svasti, well-being, good luck (-asti, being; see es-);

b. nainsook, from Sanskrit sukha-, running easily (said of a chariot), pleasant (“having good axle-holes” kham, axle-hole). Both a and b from Sanskrit su-, good.

 

[Pokorny esu-s 342.]

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