different between installment vs installing

English

Alternative forms

• instalment (Commonwealth)

Pronunciation

• enPR: ?n-stôl?m?nt, IPA^(key): /?n?st??lm?nt/

Etymology 1

A 1732 alteration of estallment, from Anglo-Norman estaler (“fix payments”), from Old French estal (“fixed position”), from Old High German stal (“stall", "standing place”)

The sense of "part of a whole produced in advance of the rest" is from 1823.

Noun

installment (plural installments) (American spelling)

1. One of a series of parts, whether equal or unequal to the other parts of the series, of a given entity or a given process, which part presents or is presented at a particular scheduled interval.
2. (banking, finance) One member of a series of portions of a debt or sum of money, which portions may or may not be equated (depending in part on whether the interest rate is fixed or variable), payment of which portions are serially exacted at regularly scheduled intervals toward satisfaction of the total. Payments of installments are generally mensual, quarterly, triannual, biannual, or annual.
3. (publishing, media) A part of a published or broadcast serial.

Usage notes

For this sense in the UK, the OED permits only the spelling instalment. Commonwealth usage varies.

Synonyms

• (portion of a debt):
• (part of a broadcast or published serial): episode, part

Translations

Etymology 2

From install +? -ment, install from Old French installer, from Medieval Latin installare, from Medieval Latin in- and Medieval Latin stallum, stall from a Germanic source (compare Old High German stal)

Noun

installment (plural installments) (American spelling)

1. The act of installing; installation.
2. (obsolete) The seat in which one is placed.

Synonyms

• investiture, investment
• installation

Translations

References

• installment in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• Webster's Seventh New Collegiate Dictionary, Springfield, Massachusetts, G.&C. Merriam Co., 1967
• Douglas Harper (2001–2021) , “installment”, in Online Etymology Dictionary

English

Verb

installing

1. present participle of install