Latin word computus comes from Latin puto, Latin com-

Detailed word origin of computus

Dictionary entry	Language	Definition
puto	Latin (lat)	(figuratively) I arrange, settle. (figuratively) I judge, suspect, suppose. (figuratively) I ponder, consider, think about. (figuratively) I value, esteem, deem, regard, consider. I clean, cleanse. I trim, prune, lop.
com-	Latin (lat)
computare	Latin (lat)
computus	Latin (lat)	Bank account. Computation, calculation.

Words with the same origin as computus