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sol¹

(sōl) also so (sō)

n.
Music

The fifth tone of the diatonic scale in solfeggio.

[Middle English, from Medieval Latin; see GAMUT.]

sol²

(sŏl)

An old French coin worth 12 deniers.

[French, from Old French, from Late Latin solidus, solidus; see SOLIDUS.]

sol³

(sōl)

n. pl. so·les (sōlĕs)

See Table at currency.

[Spanish, sun (from the drawing on the coin), from Latin sōl, sun; see sāwel- in the Appendix of Indo-European roots.]

sol⁴

(sôl, sōl)

A colloidal solution.

[From SOLUTION.]

sol.

abbr.

1. soluble

2. solution

Sol

(sŏl, sōl)

The sun.

[Middle English, from Latin sōl; see sāwel- in the Appendix of Indo-European roots.]

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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