σθένος

Etymology
. The cluster is unusual for Ancient Greek terms  from. However several hypotheses for an Indo-European derivation exist:


 * Cognate with 🇨🇬 (🇨🇬)


 * Cognate with 🇨🇬.


 * From the  of a root, whence also 🇨🇬,  and 🇨🇬, plus an uncertain suffix.

Noun

 * 1) strength, might, power

Etymology
.

Noun

 * 1) moral or emotional strength, might, power
 * 2)  valence, valency
 * 3)  valency number of grammatical arguments a verb can take