Focus
Chamber's Etymological of the English Language · 1895 · p. 196
fo'hus, n. optics a point in rays of light meet after reflection or refraction, and c.iuse great heat: any central point —pi. Fo'cuses and Foci si - r to bring to a focus pfi. fo'cu ed fl /ocas a hearth Fodder, fod'er, n food for cattle, as hay and straw.—v.t. to supply with fodder. |A.b. fodcr—foda, food-]
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