What does the cryptic crossword clue "Parisian in donning hose tenses up (8)" mean?

The wordplay uses a container (one word inside another). EN (synonym="‘Parisian in’") in TIGHTS (synonym="‘hose’") = TIGHTENS The answer is TIGHTENS.

Parisian in donning hose tenses up (8)

Guardian Cryptic #29558 | 18 Down | 2024-12-05 flower