Where does “lack-pity” come from?

lack-pity (English) comes from English pity, from Middle English pitye, from Anglo-Norman pité, from Old French pitet, from Latin pietas, from Latin pīus, from Latin -tās, from Proto-Indo-European -teh₂ts — Creates verbal adjectives from verb stems.

lack-pity (English): merciless; pitiless

Definitions

  1. merciless; pitiless

Ancestry of “lack-pity”, step by step

lack-pity traces back through two separate lines of ancestry.

via English pity

StepLanguageWordMeaning
1EnglishpityA feeling of sympathy at the misfortune or...
2Middle Englishpitye
3Anglo-Normanpitésorrow; grief; sadness
4Old FrenchpitetAlternative form of petit; Alternative form of...
5LatinpietasDutiful conduct, sense of duty; Piety,...
6Latinpīus
7Latin-tāsty, -dom, -hood, -ness, -ship
8Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
9Proto-Indo-European-teh₂Used to form nouns representing state of being
10Proto-Indo-European-tósCreates verbal adjectives from verb stems

via English lack

StepLanguageWordMeaning
1EnglishlackA defect or failing; moral or spiritual...
2Middle Englishlack
3Old English*læc
Every word from Proto-Indo-European -tós