COMPOS
Etymology 1
Noun
compos
plural of compo
Etymology 2
Adjective
compos (not comparable)
compos mentis; of sound mind; sane
Source: Wiktionary
COMPO
Com"po, n.; pl. -pos (#).
Definition: Short for Composition; -- used, esp. in England, colloq. in
various trade applications; as :
(a) A mortar made of sand and cement.
(b) A carver's mixture of resin, whiting, and glue, used instead of
plaster of Paris for ornamenting walls and cornices.
(c) A composition for billiard balls.
(d) A preparation of which printer's rollers are made.
(e) A preparation used in currying leather.
(f) Composition paid by a debtor.
Source: Webster’s Unabridged Dictionary 1913 Edition