Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

grinding

/ˈɡɹaɪnd.ɪŋ/ noun, adjective

Also a form of grind

Forms grindings

noun The action of grinding together or crushing into small particles; the sound of this action. “Ominous creakings and grindings came from the innards of the machine.”
noun (manufacturing, repair) The action of grinding a workpiece to change its size, shape, and surface finish. “Grinding sometimes involves tight tolerances on the order of a few microns.”
noun (dance) A form of dance in which two people rub their bodies together. “No grinding is allowed on the dance floor at the junior prom: it isn't age-appropriate.”
noun (roleplaying games, gaming) Repeatedly performing the same quest or similar in-game activity in order to amass points or wealth. “I really hate the grinding to get that 1% chance item.”
noun (business, informal) The act of doing the daily grind. “A: Hey Bob, how's it goin? B: Meh, I'm tired of grinding, man.”
adjective Of or pertaining to the act or gratingly sound of grinding. “The meeting came to a grinding halt when the two sides could not agree.”
adjective Relentlessly taxing; burdensome; exacting to the point of exhaustion. “A week of filled with grinding toil.”
adjective (obsolete) Crushing; oppressive; overwhelming.

Synonyms

Inherited from Middle English gryndynge. By surface analysis, grind + -ing.

Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “grinding”, CC BY-SA 4.0. Details

Sanskrit dictionary entries whose meaning includes “grinding” (best matches first).