G1646 ἐλάχιστος (eláchistos)

KJV renderings: least, very little (small), smallest
Strong's definition: used as equivalent to G3398 (μικρός); least (in size, amount, dignity, etc.)
Derivation: superlative of (short);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.