tardity

From Middle English tardite, tarditee, from Old French tardeté and/or Latin tarditās, equivalent to tard(y) +‎ -ity.

tardity (uncountable)

1. Slowness; tardiness.

• (slowness): lentitude, lentor, retardation, sloth
• (tardiness): belatedness, lateness; see also Thesaurus:lateness

• “tardity”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.